Mallet fingers, i.e. when a boy is really bad at fingering a girl, so bad it is painful. Possibly big fingers, or just bad practice.
Jane: Did you have fun with Raymond last night.
Cat: Yeah i heard you went back with him!?
Lucy: Yeah wish i hadnt though, he had real mallet fingers!
Jane: ooh ouch!
by CrackwhoMoFo June 13, 2009
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