A common 1337 expression for people playing a gun-related game such as Soldier Front, Call of Duty, etc. Meaning that they killed someone (with headshot or not.)
Player1 shoots Player2 in the head.
Player1: b00m headshot!
Player 2: -.- wtf n00b!
Player1: Too bad nub.
an explosion of excitement or a taunt boasting- JoeL_b00m
1.Ha ha ha b00m In the face! 2. b00m how do you like them apples!
p1mp daddy, super l33t, ownz y0ur mom, and y0ur dad, has sk1ll 0ver your siblings, deserves to live, someone with giant penis. someone with absolute sk1ll.
I am b00m
A bull cut, a bad haricut
a bad bullcut, homemade
Some kid with no job that mooches off his parents hard labor so he can sleep until 1:00pm EST play in the hot tub or waste time not looking for a job on irc.
b00m get a fucking job.