by Al1z3s1n54n1ty November 22, 2017

Beating the fuck out of your meat while doing planks, ultimately leaving you with jacked abs and some killer triceps. Don’t forget to alternate arms! Nobody wants someone with jacked right arm!
Person 1: Bro your abs and arms are HUGE! How’d you do it?
Person 2: I did the Jerk Plank at the gym. It didn’t go so well but at least I’m jacked now!
Person 2: I did the Jerk Plank at the gym. It didn’t go so well but at least I’m jacked now!
by ChadDad December 9, 2019

Describing a very erect penis.
by Csj420 November 15, 2020

finnegan o brien (otherwise known as the notorious bigboyfinn) is the definition of a plank mf, saw him irl and I was like damn hes one mfing plank.
by hannanaonana June 23, 2021

(A posture assumed on an escalator, in which the forearms are rested upon the moving rail, and the ankles to the parallel rail. The body appears as if it is a board stretched across the escalator on the way down, or up. This resembling a wooden board (a plank) stretched across the rails. The goal is to position the body as straight as possible, and utilize ones upper and lower body strength to this advantage.
Variations:
(1) "Planking to Hell": When the act is performed on the downward moving escalator.
(2) "Planking to Heaven": When the act is performed on the upward moving escalator
(3) "Ride the Plank!": The act of encouraging another to go planking.
Variations:
(1) "Planking to Hell": When the act is performed on the downward moving escalator.
(2) "Planking to Heaven": When the act is performed on the upward moving escalator
(3) "Ride the Plank!": The act of encouraging another to go planking.
"Dude we should totally hit the mall and go planking."
"I give that planking a 6/10."
"She was literally planking, I'm surprised the mall cop didn't kick her out!"
"Ride the plank, scumbag!"
"I give that planking a 6/10."
"She was literally planking, I'm surprised the mall cop didn't kick her out!"
"Ride the plank, scumbag!"
by DeityDurg January 31, 2023

by Pete-the-pedo July 24, 2025

When an over-eager teenage male has sex for the first time and straightens out like a board when he ejaculates, putting all his weight on his partner and laying stiff for a few moments of awkwardness.
"Harry totally jizz planked me and then just laid there on top of me for like five minutes grunting and wheezing, I almost suffocated beneath him"
by Trollbert June 29, 2022
