The theory that (regarding any upcoming physics test) you either know it or you don't. Not to be confused with the Ridings Postulate, which states that you either know it or you don't regarding ANY test, not simply physics. Applying these ideas often results in failure.
Me - "Dude, I have a physics test tomorrow! Fuck!"
Ridings - "Same. But I'm not studying, according to my theory, the Ridings Theory - in physics, you either know it, or you don't."
Ridings - "Same. But I'm not studying, according to my theory, the Ridings Theory - in physics, you either know it, or you don't."
by jm6695 December 24, 2013

The act of grabbing a traditional phone handle and putting it in another's rear end and letting hot sauce seep from listening end to receiving end into person's rectum
"How'd it go last night with Kevin?"
"It got so hot and heavy he even gave me an Alaskan bike ride!"
"Awww that's so sweet!"
"It got so hot and heavy he even gave me an Alaskan bike ride!"
"Awww that's so sweet!"
by McFzynps November 15, 2015

by Dandified August 6, 2022

When the male gets on all fours, and his female sticks a suction cup dildo on his back. Then she proceeds to turtle ride him until climax.
by Lol just me dude August 25, 2017

A fetish type activity, where two people place a toilet paper roll tube between their assholes, and then one person shits into the other person.
"Man, I met this dude named Tom the other night at the bar, and we snuck into the bathroom. He let me do a flume ride on him!" - Dandy Randy W.
by Dandy Randy W. June 12, 2024

To absolutely tap in to a cause by either riding on your own accord or by requested ridage from your fellow riders
I was riding Pakistan so hard last night, I asked my bro to ride too. It was fun watching India lose to Pakistan with my bro.
by Gangendem December 4, 2021

PG-13 euphemism for intercourse between consenting adults. Popularized by Danny DeVito as on an episode of Taxi when his character (Louie DePalma) confessed to Rhea Perlman (who played his girlfriend on the show) that he had an affair behind her back.
"Well, Sophie and I.....we took a hammock ride."
"Losers whine and make excuses. Winners do their dirty work and take a hammock ride with the prom queen."
"Losers whine and make excuses. Winners do their dirty work and take a hammock ride with the prom queen."
by Ten Forward September 14, 2015
