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2 definitions by Baserman

A girl that has sex with a lot of guys, a slut.
Everyone suspected Erin F was a slampig after she hooked up with JD the first night of college. As the year progressed and the list of guys she had been with steadily grew, including two guys who were best friends, there was no doubt in anyone's mind.
by Baserman May 27, 2005
Acronymn for Most Gay Player.
Did you see Gary drink all of our beer last night?
Yeah, he was definitely the MGP of the night.
by Baserman December 04, 2005