1.Someone who is lazy and can't do anything
2.Apart of your ass
1.My bum is on fire
2.My friend is such a bum who can't do his work
to take code from a program and make it more efficient or compact while sacrificing readability thus making it more complex...
"i bummed 12 lines of code last night"
Beast
Upper
Management
A nice way to personally and now urban Dictionarily define the word people keep calling you or you just know you are ^u^