Top definition
A phrase using ya mam which is also very good answer to any question.
Person 1: Thats very big
Person 2: Thats what ya mam said last night

Person 1: Thats Sick
Person 2: Thats what ya mam said last night!
by Jonathan Anderson October 23, 2003
Get the mug
Get a Thats What Ya Mam Said Last Night mug for your coworker Helena.