1 definition by Some mad Kiwi
An adjustable spanner or adjustable wrench which when incorrectly used has a tendancy to round the hex-nut/bolt's head.
1: Mate, could you pass the nut fucker?
2: What do you want the nut fucker for? You should be using a ring spanner.
1: Right-oh...
2: What do you want the nut fucker for? You should be using a ring spanner.
1: Right-oh...
by Some mad Kiwi August 19, 2011