1 definition by dean shannon

1. Invite another to help themselves to their optimal capacity or
2. Attempt a difficult task or ordeal.
1. HE: Are these sweets free?
SHE: Fill your boots.

2. HE: I'm going over there to crack on to Naomi Campbell!
SHE: Fill your boots!
by dean shannon March 8, 2007
Get the Fill your boots mug.