It’s when a girl is sucking on a guys non-hard dick and then all of a sudden it gets hard and cums into the girls mouth.

It's the sweat that accumilates under big boobs

A term in computer science for an action for editing a stack, a Push is to add data, a Pop is to remove data.

This a sexual act that a woman performs on a man. She gives him head while pushing his shit up with both her thumbs. Guys love it.