3 definitions by Bander

The spot between your back and neck that is impossible to crack.
Ben: Agh, I can't crack my becknack!
Emily: Stoopid becknack.
by Bander December 12, 2008
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The spot between one's back and neck that is often to deep to crack.
Ben: My becknack is so annoying, I can't crack it.
Emily: Stupid becknack
by Bander October 28, 2008
Get the becknack mug.
The spot between one's back and neck that is impossible to crack
Ben: I can't crack my becknack
Emily: Stoopid becknack
by Bander November 7, 2008
Get the becknack mug.