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.
by N0 h43dsh0ts pl0x January 9, 2009
Get the b00m mug.
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!
by JoeL b00m August 6, 2011
Get the b00m mug.
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
by hax0r do0d May 22, 2003
Get the b00m mug.
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.
by Emmanuel Goldstein September 23, 2003
Get the b00m mug.
when you just owned someone usually in a game or competition.
yourfriend: how'd you win---

you: b00m
by someweirdofromamino February 13, 2019
Get the b00m mug.
b00m is short for mrb00mbastic, someone who is naisu hooman, loves cat, or any animal basically. hates insect. mediocre jokes. loves to watch house. likes coffee. everyom=ne simps on b00m.
oh, you like him, he must be b00m :)
by January 4, 2021
Get the b00m mug.