sugar in his tank 

A casual way to suggest a straight man might be a homosesual "in the closet" or bisexual.

-girl- "OMG Sarha! Did you see how your boyfriend looked at Mark when he walked in the room? I think he's got a little sugar in his tank"

sugar in his tank by Wize One August 5, 2008

Sugar in his tank 

When you wonder if a guy likes the opposite sex or not.

Buddy rubbed me the wrong way with those fruity jokes,,, he may have some sugar in his tank.. Idk if I can be seen with the likes of him, people may look at me funny.

Sugar in his tank by Immortal1 September 17, 2021

sugar in his tank 

a term used by mainly black folk to describe a gay man

person 1: girl did you see the way he switches when he walks?? he most definitely has a little sugar in his tank

sugar in his tank by ermactually123 August 1, 2023