mega thrust 

a motion usually related to sex where a man (or woman)push their whole body, from the neck down, back and forward repeatidly.

Jimmy: Tina, you are so hott.

Tina: mega thrust into me, Jimmy!

Jimmy: *mega thrusts*

Tina: i think you nearly broke my pelvic bone.

mega thrust by AideyAideyTheMakeUpLady April 29, 2008

mega thrust-gust 

that perfect movement when you use your pelvic area to thrust an item across the room. bonus points if the object hits a girl

Girl: Oh no! He mega thrust-gusted my phone at me!

Boy: Wow, perfect trajectory!

mega thrust-gust by anonymous pickleperson February 17, 2021

Megathrust

1. An incredibly awesome metal band made up of geology students from Humboldt!

2. A type of earthquake that occurs at convergent plate boundaries.

"My mama was adopted, my daddy wore a toupee, he brushed his teeth with vagisil, my mama laughed all day...wheeeee megathrust!"

"This earthquake can be classified as a megathrust quake."

Megathrust by Silurian Swagger January 26, 2011