A fork of Rural Dictionary
It is a phrase said to intel a women has a big ass. It also is a sly comment so the women would not know that you are commenting on her butt.
Ex: *girl walks by* Boy1: damn she got the booty dew Boy2: Straight up bra
When sitting on a toilet for defecation and your buttocks completely seals the toilet the resulting seal causes a lack of airflow which results in condensation on the buttocks known as Booty Dew
Friend 1: I hate when i go to wipe after pooping and my hand get wet wit Booty dew Friend 2: not the booty dew