lip-flapping

1. When a guy eats a girl out.

2. When a guy plays with the "lips" of a girls vagina.

Dude, I was lip-flapping with Susan last night, it was hot.

by Jake Demeter August 13, 2011

Flap LIP

Flap Lip is a term which is described to a 40+ year old male that is known to be weak/disrespectful towards a fellow Christian rapper known as Junius Rogers.

Known information about being a flap lip: Forty year olds stay tryin' to get in somethin' (Uh-huh)
Sit your old ass down before you slip or somethin' (what?)
Sit down 'fore you slip a fuckin' disc or somethin', huh (okay)
I'm a war pit (pit), young and ruthless (ruthless)

by TAwaiN of Puffy Vaginas April 25, 2022

Flapping Lips

When a person snitchs.

That guy bin Flapping Lips ta po-dem

by SkinniT April 01, 2007