dry-bumming 

when a guy humps a girls butt without him or her having their clothes off. can also be done homo-sexualy.

jeff: "last night i was dry-bumming meleena all night long! it was insane!"
john: "wow but why didn't u guys just take your clothes off?"
jeff: "she didn't wanna have my dick up her ass"
john: "oh. i see.............."

dry-bumming by Germ604 August 19, 2006

dry-bumming 

See (Gaz]

Jimmy, stick on some Prince - I feel like dry-bumming !

dry-bumming by Gaz December 3, 2003

Dry Bumming 

British: ref to gay/anal sex without use of lubricants. More commonly used to mean being got the better of in an extreme sense.
Alternatively to mean a desire to have sex with someone you don't actually like.

Paul was totally dry bummed at pool yesterday.
or
I know you hate her, but I bet you'd dry bum her if you got the chance.

Dry Bumming by Greggy March 4, 2005

Dry Bumming 

Hammering someone's asshole without the use of lube. Commonly a pleasurebale experience to the hardcore butt fucker but now creeping into the hetro hardcore lingo

I'd dry bum her mate;

Dry Bumming by lukeash September 13, 2005

dry speed bumming 

its when you putt sand in your crack to make it dryer than the desert and participate in unlubricated anal sex at high speed for fun.

so is ther a dry speed bumming on the cards tonight?

dry speed bumming by dunglebump August 1, 2007

drybumming

The insertion of an unlubricated penis into the rectum of a partner

My arse is really sore from all that drybumming.

drybumming by diqnpcvoa August 24, 2011