1. A tool, douchebag, or all around
loser who is lacking friends and/or social skills.
2. One who charges rent in Monopoly.
3. A male who
literally smacks either his dick, or another's dick, in frequent excess. Can also apply to a female.
Guy with the properties:
Hey, you owe me X Dollars.
Me: fine, take it,
ya dicksmacker.
or
"Hey look! Isn't that the guy that got punched in the face
yesterday?"
"Yeah, he is a level 1 dicksmacker."