Green’s Dictionary of Slang

1. to break wind [the smell].

1977

(con. 1949) J.G. Dunne True Confessions (1979) 33: Fucking place smells like a sewer, all the guys cheesing on the beer and the eggs and the pickles.

2. to ejaculate [ext. use of sense 1].

1983

R. Klein Jailhouse Jargon and Street Sl. [unpub. ms.].

3. (US campus, also Mayor McCheese) to vomit [ext. use of sense 1].

2006		katepsmusings.blogspot.com 24 Dec. [blog] Audrey Elizabeth [...] cheesed all over her new dress.
2008		Urban Dict. 🌐 Mayor Mc’cheese when a girl has had too much fast food before a blowjob and pukes on the penis during the act. I knew she had too many chicken nuggets when she Mayor Mc’cheesed all over my cock.