MILILF
Mother-in-law I'd like to fuck - a theoretical possibility but never reported in the masturbatory literature.
I married her because her mom was hot, a real MILILF
MILILF
Mother In Law Id Like to Fuck
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
MILILF
Simply a variation on the classic MILF that is well known. This is referring to a "Mother-In-Law-I'd-Like-to-Fuck."
That dress your mother-in-law was wearing at the wedding seriously made her look like a MILILF.