Grandman

A grandmother who, in her many years, has began to look like an old man.

Whoa...I didn't think your grandma was that old, she's, like, a grandman now.

by Dalek Sec November 1, 2007

Grandman

A grandman is the coolest grandfather that still look very young in his 30s and is in good shape.

LL Cool J is a perfect example of how a grandman look.

by agentmike204 February 6, 2020