1 definition by Johnsterama

Top Definition

1. n A beautiful sexy mom of a mom.
2. n Grandmother I'd like to fuck. Synonymous with Gilf.
3. n A great puma] in her fifties or sixties.

Steve: Hey, check her out. She might actually be a grandmilf!
You: You know Steve, you may be right!

by Johnsterama October 21, 2007