your carla is showing

Used to let A female know her underwear is showing when bent over or crouching.
Not to be confused with the phrase ” your Alex is showing “

A female bends over to get one of the guys a beer. One of the guys sees a bright pink thong sticking way out of her paints. He then announces to everyone "hey your Carla is showing" She then covers it up and usually slaps the accuser.