butterfly lips
The wetness on someone's face after he goes down on a girl
Kevin said he didn't hook up with her but he had mad butterfly lips when he came out of that bedroom.
Butterfly Pig Lips
where you take a shit in a girls lady’s parts. Then rub it in with your nose making pig sounds. Then roll her up in a blanket and wait for her to pop out.
Did you hear what happened last night? My friend pulled the ol trusty butterfly pig lips on his girlfriend