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."