BIG FOR NOTHING -pronounced as beefin-girl or guy who thinks they are all that but are big with no muscles- commonly used in the slang of teens and young adults in new zealand.
by MadBaggage February 25, 2012


-Sophia: "Just for that, I'm gonna get kbbq tomorrow without you"
-Adam: "You bfn"
-Sophia: "Bfn?"
-Adam: "Better fucking not"
-Sophia: "That is rude !!! And I will!
-Adam: "You bfn"
-Sophia: "Bfn?"
-Adam: "Better fucking not"
-Sophia: "That is rude !!! And I will!
by xfreshx February 16, 2017

by MuduhFuckah July 01, 2011

A way of saying "Butt Fuck Nowhere" that usually sparks someone to say "What's BFN?" which forces you to say "Butt Fuck Nowhere".
Girl 1: Wow, where are we? We should have asked for directions cause now were in BFN.
Girl 2: BFN? Whats that mean?
Girl 1: Butt Fuck Nowhere, don't you know anything?
Girl 2: BFN? Whats that mean?
Girl 1: Butt Fuck Nowhere, don't you know anything?
by HeepsOfWords April 02, 2011

by Zuel May 05, 2003
