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1.
1: (noun) Very basically, a player. One who fornicates with many females. Can describe a male or female. used as insult.

2: (noun) A pride nickname for a very sexually-oriented person.
Example 1:
Allison: So Cj got drunk and had sex with three different girls last night.
Jaiden: Three?! Ugh. He's such a fucking twat-slammer.

Example 2:
Skyler: That's what she said! Am I right? Am I right?
Courtney: My gosh, Skyler, you're such a twat-slammer.
Skyler: You know it!
Courtney: *Facepalm*
by bloobabadoo February 04, 2011
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