Top Definition
When having unprotected sex with a women, the male only pulls out after he already starts to cum in her. Leaving a 50/50 chance of pregnancy.
Chauncy: "Hey did you wear a condom before you violated that slam pig."

Chris: "No, I'm a risk taker. So I decided to give her a LaChance."
by eddiemush June 02, 2011

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