Top definition
1. lacking intelligence or good judgment; stupid; dull-witted.

2. being able to piss off anyone by just looking at them.
3. being a cock-block to all of your friends.
4. being a cock-blocker to yourself.
Some how Kevin's lappeism managed to piss off his hot neighbor.
On Friday night Kevin really showed off how his lappeism manages not to get him laid.
by victomtoit May 04, 2011
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