Shit in a hoover, change it from suck to blow, then put it in her vagina and turn it on.
"Sandra, shall we do a horny henry tonight?" hoover henry suck blow
Said by his peers, when a guy helps out a girl, purely to increase his chance of having sexual intercourse with her.
The word Henry has to be replaced with the name of that guy.
Hot girl: Can you help me with my homework?
Henry: Yeah sure!
Henry's friend #1: Look, horny Henry strikes again!
Henry's friend #2: Wow, that guy is really desperate!