Sugar in the gas tank

Having effeminate mannerisms or being a closeted homosexual.

Is he gay? Well, I think he has some sugar in the gas tank.

by beepbopboop2 May 19, 2021

Sugar in the gas tank

When you cum in someone’s asshole.

“How’d it go with that girl last night?”
“It was great man, she let me pour sugar in the gas tank and everything!”

by Zashak January 1, 2020

Sugar In The Gas Tank

Ejaculating or inserting seminal fluid into the partner's anal cavity

"Yo bro I hooked up with this chick last night. She's like Ferrari sexy with the ass of a lambo so I had to put a little sugar in the gas tank."

by JRSlay July 27, 2017