Mother-in-law I'd like to fuck - a theoretical possibility but never reported in the masturbatory literature.
by Alybrella January 13, 2011

Jack: Nervous, groom?
Tom: No way man, I know Liz is going to hot when she's older, I've totally got a MILILF.
Jack: Dam, she is a MIL-IF
Tom: No way man, I know Liz is going to hot when she's older, I've totally got a MILILF.
Jack: Dam, she is a MIL-IF
by wommer June 24, 2011

Simply a variation on the classic MILF that is well known. This is referring to a "Mother-In-Law-I'd-Like-to-Fuck."
by Dr.Gutin April 10, 2006
