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18.
The insertion of your cock into someones tight (often crusty) braided arsehole...i hope you bought some vaseline
I'm gonna BUM you...softly...*EEEP*
You put the ming in bumming
by Bommerous Qouous January 07, 2004
 
1.
1. When followed with 'around', used to mean procrastinating, or acting lazy and not doing anything.

2. To engage in anal intercourse.

3. To get something by begging, or mooching.
1. Stop bumming around and get off your lazy arse.

2. Those fellows over there enjoy bumming. The taller one bottoms.

3. That wanker's always bumming fags off of me.
by Josie H. June 19, 2006
 
2.
Anal sex. When a man inserts his cock into another mans ass and fucks him until he shoots his load up the mans ass.
"Give me a good bumming, I want to feel your hard cock pounding my ass. Fuck me hard, I want your cum up my ass"
by Ben Dover August 05, 2003
 
3.
borrowing something from someone else
Hey, can I bum a cig?
by oMeGawEapOn March 06, 2004
 
4.
n. Brit. working class slang for anal gay sex, becoming archaic since 80s with more informed society. Usually used with amusement, not prejudice, typically by people naturally tolerant but less informed about gay life. (Middle classes and prejudicial people would typically avoid slang, sometimes to avoid being seen as <italic>not</italic> prejudiced by a homophobic listener to gain approval.
Ooh! What happens? Do you alway bum him or do you bum each other. I don't know much about bumming, sorry I mean qu.., sorry, er, gay people and stuff. Well you know, we girls always say gay men are wasted. Is that offensive? Could I really suck your cock and you wouldn't get a hard on
by Dave July 04, 2004
 
5.
Taking it up the dirtbox for sexual kicks, usually with a group of masturbating masked men looking on and stroking their meat!
"I was wondering what I could do to warm up my rectum on these chilly gay Autumn evenings and why, what better activity could I think of than calling up the boys and having them come round for a spot of bumming? They were at it for hours until my poor old butt was red raw. This morning I had to put on an adult diaper because I couldn't keep the shit up my arse such was the fun I'd had yesterday evening. Being gay is such fun. I love bumming!"
by Rock Hudson's aunt October 23, 2010
 
6.
Sitting on your ass, procrastinating.
Tom! Stop bumming around and get to work!
by Sarah?!?!?!? July 14, 2005
 
7.
To get shagged up the bum.
"Ah oh yeah ! " that is what Brian was saying as he was getting bummed up the arse by Ted, Ted like bumming people he fucked Brian as fast as a ferrari until Brian shot his load all over Ted's stomach.
by yep9 July 20, 2014