A fork of Rural Dictionary
Pretty much the same as 'Sucking Up' to someone, except based around the action of giving somebody anal sex.
"I can believe you bum up to him just because he has a nice car." "Dave's bumming up to Celebrities again."
Get to working hard after spending all day procrastinating from your Advertising coursework Yes I'm talking to you
My friend needs to get her heads down bum up with this uni work so she can get to a concert tomorrow
when u havin a bad day and some random person is talking to u abt random shit u don't even give two kharas abt
person 1 :hey did you know that jason and troy were making out today person 2: shut yo bum ass up