1 definition by HisKittyForInfinity

1) An assshole who cheats on girls and breaks their hearts
2) A guy who is seemingly nice but will do anything to get in a girl's pants.
3) Fresh Fish.
1) girl: Jeffery left me for a girl he cheated on me with
2)girl1: I thought he was nice

girl2: yeah, well he's a jeffery
3)prison inmate: you hear about the fresh fish, Jeffery?
by HisKittyForInfinity January 4, 2010
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