Gargling or drinking Peppermint Schnapps when no actual toothbrush is available for use, usually because a person has spent the evening in one or more strangers' beds.
Chloe begins every morning by using a hooker's toothbrush so that her mouth doesn't smell like jizz after she's been slutting it up all evening.
An act, usually done after a night of partying or vomiting, that involves a person gargling or swishing alcohol to clean one's mouth. The stronger the alcohol, the better. Vodka is typically used, but can be used with any drink.
Tina was too hungover to clean herself up, so she used a hooker's toothbrush to freshen up.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"