gyrection 

The term used for when an erect penis gyrates like Elvis's pelvis. Few are known in the world to be able to gyrect.

Matt the Canadian: Did you hear what happened at last night's party?
Jamie: yeah, Greg was all up in that chick with a gyrection. He was gettin' his elvis pelvis on.
Patrick: Bitch please, mah dick's bigger anyways....

gyrection by 2 West Late Night Crew March 4, 2011

MGG (Mammary Gland Gyration) 

The systematic and continuous frottage of the male genitalia against, in between, or on top of the female breasts.

Naw dude, I don't want to hook up with her, those are A cups...I can't even MGG (Mammary Gland Gyration) that shit!!

MGG (Mammary Gland Gyration) by MMGking February 22, 2011

Gyrationatosis 

Unsuspecting uncontrollable violent pelvic thrusts brought on by an unknown chemical reaction. One specific known strain is Gyrationatosis: 111, gyrating malfunction triggered by a weird genetic combination present in some 20th century humans.

Either that guy suffers from Gyrationatosis or he wants to pork.

Gyrationatosis by Margarin Trampeze June 30, 2011

Girection

a girl erection. the exact moment when u get the feeling that if u had a penis you'd have an erection.

when i saw those nude pics of pete wentz i got a girection.

Girection by toshi530 May 3, 2006

Gehrection 

When Jason Geh gets an erection.

Jason got a gehrection after laying eyes on Gina.

Gehrection by KANGALINTHESHUL October 22, 2019

gayrection 

An erection caused by thinking gay thoughts.

"simboona got a gayrection thinking about chad's dick."

gayrection by lockie August 9, 2017

Gerbection Sandwitches 

Three or more male body parts that are aroused by a fury house broken rodent and place them between two slices of white rye or wheat risen dough.

Dan, Tom, and I with the help of your pet and wonder bread have made you a gerbection sandwitch.

Gerbection Sandwitches by ben claude May 5, 2003