Rooting from YouTuber Jenna Marble's video, Jenna's Drunk Art School: Balloon Art, It is basically gripping the dick as hard as you can until it isn't hard anymore.
Girl 1: Did you and John finally do it last night?
Girl 2: No....
Girl 1: Did you gorilla grip the dick again?
Girl 2: ........maybe
Girl 2: No....
Girl 1: Did you gorilla grip the dick again?
Girl 2: ........maybe
by This Dick Though January 20, 2015

An extremely firm grip similar to the type of grip an Amish father would use to grip the neck of his child while said child is performing oral sex on him.
"Damn bro my girl left me so I had to jerk it with an Amish Fathers grip"
" Hey Steve I met this girl last night and she gave me blowjob with an Amish fathers grip and I cummed buckets!"
" Hey bro I did a "back azimuth" last night but this time used an Amish fathers grip and it was scrumdiddly umptious"
" Hey Steve I met this girl last night and she gave me blowjob with an Amish fathers grip and I cummed buckets!"
" Hey bro I did a "back azimuth" last night but this time used an Amish fathers grip and it was scrumdiddly umptious"
by DemonSemen 3-141 June 21, 2019

When your having sex with a co-worker and she grabs your ass- The woman is usually independent and would be classified as a go-getter
After cocktails with the client last night Megan gave me the career woman grip in the men's bathroom. She's such a cougar.
by The Big Dog2617 August 22, 2011

The act of masturbating into a fish tank while your lover removes hairs from your asshole with a weedwhacker.
by frankensteiner January 30, 2008

by Hammer November 9, 2006

When you are about to get it on. Grab the shoulders of the one you're getting it on with as a handle and start thrusting.
by George of the Concrete Jungle May 20, 2018

The art of applying your brand spanking new cricket bat grip with your anal sphincter. Always useful to have a deep anal cavity and advised not to apply white grips, due to an increased risk of staining.
Little Boy: Daddy, can you help me put the grip on my new cricket bat?
Mike Atherton: Of course son, it wouldn't be the first time i've used an anal grip appliance.
Mike Atherton: Of course son, it wouldn't be the first time i've used an anal grip appliance.
by Alasdair W June 15, 2007
