1) Limited or no females to copulate with.

2) The absence of good looking girls at a party or bar.
1) -"Justyn, how has your sex life been?"

- "Not too good man, it's really slim dickins out there"

2) -"This party has no good looking girls! It's slim dickins tonight."
by MageMasher07 November 16, 2013
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a dude with no self-esteem and a skinny penis
"He hates himself so much, call him slim dickin's"
by luropex August 22, 2017
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