G-milf

Grandmother I'd love to fuck.

Sarah Palin is NOT a G-MILF.
Journey Johari IS a G-MILF.
Kim Kardashian is a MILF who will possibly be the hottest G-MILF of all time.

G-MILF

an acroym for 'Grand Mother I'd Like to Fuck'

used superbly by skwisgaar skwigelf in
the first episode of metalocalypse.

stemming from the term MILF.

"guess what you are a G-MILF. that is a grand mother i would like to......"
-Skwisgaar Skwigelf