Protein throat splash is when a guy cums inside of someone's mouth and hits the back of their throat.
by phoreversurf February 11, 2018

Guy 1: Hey, man, are you okay? I saw you head for the bushes earlier.
Guy 2: Urgh, it was so gross, I had an impromptu protein party.
Guy 2: Urgh, it was so gross, I had an impromptu protein party.
by flowerstain May 15, 2011

by dashthebeast February 21, 2024

To ejaculate
by AJJJDJJJAJJJMJJJ March 7, 2017

by Protein shot October 15, 2020

When six men cum in a girl's vag, hold her upside down, shake her, and then pour the contents into a cup and she drinks it.
Back in my day, when I craved a protein shake, I'd pop over to Belind's house with my five mates and have an australian protein shake.
by rumancer April 7, 2018

I felt so bad for her she hadn't eaten in days so I let her suck my cock and I gave her a hot protein injection (HPI).
Oh man she was working my dick like nobodys business so I held back as long as I could till I gave her my hot protein injection.
Oh man she was working my dick like nobodys business so I held back as long as I could till I gave her my hot protein injection.
by Looney Larry November 13, 2011
