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1) A creepy guy who cracks on to girls in unsubtle ways.

2) A guy who tries to initiate sex with a girl in boorish offensive way.

3) A sexual harasser.

4) An active pervert (as opposed to a peeping tom which is passive pervert).
I just sat next to him and the slease tried to put his hand up my dress.
by K.C.D.L May 24, 2004
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