Brumoff 

When two or more people from the Birmingham region meet outside their Birmingham environment and speak with their Birmingham accent and become non understandable to the other non-Birmingham people.

Competing for Brummy superiority, by discussing locations of their homes.

Alison from Wolverhampton and Dave from Stourbridge, had a brumoff upon their meeting

Brumoff by mboulas October 15, 2009

bumoff

Two men engaging in a wrestling competition with eachother where the goal is to force your adversary into a sexually compromising position and then thrust three times. Varieties include bumoff, bumoff in boxers and naked bumoff.

Often used as a means to settle a dispute between two men, also quite common as a type of initiation in sports such as rugby.

Charlie drew his bumoff with Joe.

bumoff by onaboatjizzmypants December 3, 2009