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1.
A method of mutilation used by gangsters in the UK in the 1940's.
A knife was inserted into the victim's mouth then pushed to either side, this giving the victim the appearance of an ear to ear grin.
We found out he was grass so we cut him up smiley.

Jim was cut up smiley.

I'll cut you up smiley fo sho punk.
by Joodas August 10, 2004