Definitions by JB 117

Done a Bunk 

V. To escape or flee under incriminating circumstances.

"He has, to use the common phrase, done a bunk," replied Professor McGonagall, and a great cheer erupted from the Gryffindors, Hufflepuffs, and Ravenclaws." From Harry Potter and the Deathly Hallows

Done a Bunk by JB 117 January 13, 2009