There are a lot of definitions of "over." If an old editor of mine was correct, the term in question on this thread is derived from the one below about wrestling:
Definitions of over on the Web:
* at or to a point across intervening space etc.; "come over and see us some time"; "over there"
* throughout an area; "he is known the world over"
* throughout a period of time; "stay over the weekend"
* beyond the top or upper surface or edge; forward from an upright position; "a roof that hangs over";
* all over: over the entire area; "the wallpaper was covered all over with flowers"; "she ached all over"; "everything was dusted over with a fine layer of soot"
* (cricket) the period during which a given number of balls (6 in England but 8 in Australia) are bowled at the batsman by one player from the other team from the same end of the pitch
* complete: having come or been brought to a conclusion; "the harvesting was complete"; "the affair is over, ended, finished"; "the abruptly terminated interview"
wordnet.princeton.edu/perl/webwn
* In the sport of cricket an over is a series of six consecutive balls bowled by a single bowler. No bowler is allowed to bowl more than one consecutive over.
en.wikipedia.org/wiki/Over_(sport)
* In wrestling, the term over means making a wrestler look good. Example: "Tonight Chris Jericho is going over and Kane is going under." This means that Jericho is to win his match that night and the fans have a pop towards him, while Kane is to lose his match and is rousing up the crowd. When a wrestler makes his opponent look good, for example by taking spectacular bumps, he is said to put over his opponent.
en.wikipedia.org/wiki/Over_(professional_wrestling)
* To bet over is to bet that the final total will exceed the total posted for betting purposes.
www.basketballfreesportspicks.com/glossary.shtml
* A sports bet in which the bettor guesses that the combined point total of two teams will be above a specified total.
www.sportingbetusa.com/4.html
* Improvement - An improvement which is not the highest and best use for the site on which it is placed, usually by reason of excess size or cost.
www.prestigehawaii.com/reterms.html
* The second and third elements are drawn vertically centred on one another and separated by a horizontal line. The third argument is SPF and will be drawn at the right hand end of the line.
www.ltg.ed.ac.uk/Pleuk/current/node157.html
* refers to a period of play. In First Class cricket in Britain this currently comprises six consecutive deliveries by one bowler from one end of the pitch.
www.hintsandthings.co.uk/games/cricket.htm
* A descriptive term to indicate a player’s position at the table in respect to one’s right hand opponent.
www.bridgeguys.com/OGlossary/GlossO.html
* The word over in Heraldry must never be taken to mean above, but upon.
www.heraldryclipart.com/do.html
* The command to a dog to move in an indicated direction.
www.essfta.org/htglossary.htm
* the past three years, the Palikur have intensified another type of intercommunity and interethnic communication: the evangelization of other indigenous peoples. The Palikur missionaries began evangelizing in the mid-1980s, when they introduced Pentecostalism among the Palikur of French Guiana. ...
www.socioambiental.org/pib/epienglish/palikur/contact.shtm
* Describes a cash drawer in which the audit strip shows there should be less cash in the drawer.
www.glencoe.com/sec/busadmin/marketing/dp/food_mktg/gloss.shtml
* (adjective) If a face is over with the crowd, it means that they cheer him. If a heel is over with the crowd, it means that they boo him. Regardless of whether he is a face or a heel, a wrestler’s main priority is to get over with the crowd. The more over a wrestler is, it makes sense that the promotion will find him more valuable and they will pay him more money. ...
www.kehoe73.freeserve.co.uk/infoterms.htm
* the word used to indicate the end of a voice transmission.
www.oldradios.co.nz/data/terminology2.htm
* The amount of pins that exceed a 200 game. In other words, bowling a 205 would be 5 over.
www.bowlingdialogue.com/glossary-o.html