Definitions by GreenEyedGirliie

HMPU 

Hit My Phone Up. Telling someone to text or call your cellphone.

*On Facebook*

girl#1: I hate you so much. Why would you even do that???

girl#2: ??????????

girl#1: HMPU.

girl#2: kay.

HMPU by GreenEyedGirliie May 18, 2011