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An onomatopoeic sound of teleportation, especially when done by Nightcrawler of the X-Men.

It also can be used to refer to the act of teleporting.
A) *BAMF* "Surprise, surprise!"

B) The wizard bamf'd away as he was about to be killed.
by Zoldge September 08, 2009
n. A word made up of the initials for "badass motherfucker." Also, it is a synonym for Doctore, from Spartacus: Blood and Sand.
Doctore: A gladiator does not fear death. He embraces it, caresses it... fucks it.

Doctore is a friggin' BAMF.
by Sidness9 August 11, 2010
n. Acronym for Bad Ass Mother Fucker; an epically awesome person
Nick Schenkel is one BAMF
by Sarruh B November 21, 2009
a word usually used by white nerds to seem cool, because all they do all day is stick tootsie rolls up their hershey hole and play WoW and xbox 360 live
tj had bamf in his profile on xbox live, but we all knew he was really a ngwpwowwwbid (nerdy geek who plays world of warcraft while watching babies in diapers)
by diddy kong April 13, 2007
The sound of teleportation, demonstrated by Nightcrawler in the X-Men series.

See also Snikt.
The answer is as quick...
...as it is painful.
by GoblinGrenade May 13, 2014
A BAMF is a bad ass mother f*cker. Usually used to reference someone that does something awesome, rebellious, or both.
Person A: You know who is a BAMF?
Person B: No. Who?
Person A: Neville Longbottom!
Person B: OMG you're right! He is totally a BAMF!
by elisealot October 09, 2011
Bad Ass MotherFucker
That Shaft is a BAMF
by jaawol May 27, 2010