BAMF! 

the sound effect made by the superhero Nightcrawler (from Marvel Comics' X-Men) when he teleports

*BAMF!*
Hey, look, Nightcrawler just popped in.

BAMF! by Figleaf23 January 3, 2009

Bamf! 

Noun.
Used to express extreme joy or excitement. This word is typically used all by itself, as a lone exclamation.

This can be used just after you've said or done something you're very proud of.
Can also be used if someone just got pwned, and you are rubbing the pwning in their face.

A variation of this word is "ska-BAMF!", which came into use after the animated movie Kung Fu Panda popularized the term "ska-doosh".

Ned: *showing a paper to his friend* Bamf! I just got the highest score possible on my SAT!

Barlow: Well, while you were taking 4 hours on your test, I nailed your sister in your bedroom. Bamf!

Bamf! by Barlow! January 27, 2009

BAMF 

Bad ass mother fucker

Man,Davis you are a BAMF and Martain you suck.

BAMF by Anonymous October 27, 2003

BAMF 

Bad Ass Mother Fucker

Teddy Roosevelt- reading a biography of this man is like reading a manual on how to be a BAMF, not only did he kick ass his entire life, with such BAMFness as giving a two hour speech with a bullet in his chest, but death had to take him in his sleep because if he had been awake he would have kicked deaths ass.

BAMF by Ulfrinn January 11, 2011

bamf 

Neville Longbottom = bamf

Neville Longbottom is Chuck Norris's boggart. He is pretty bamf.

bamf by nocomment1992 March 10, 2008

bamf 

Bad ass motherfucker *popularized by Dane Cook

Carlos is a BAMF.
That dude just ate a bowl of thumbtacks, he's a BAMF.

bamf by Cornelious September 29, 2005

BAMF 

bad ass mother fucker

sirius black is such a BAMF because he escaped azkaban, fooled the ministry, Harrys god father, james un-offical brother, is really sexy, is an animagas

BAMF by Fhockeybabe June 26, 2010