2 definition by Mainthreader

Top Definition

A dude who can suck cock for hours without coming up for air, much like a fish that breathes through its gills.

Chris sucked that guy’s cock all night like a gillboy

by Mainthreader May 30, 2019

An alcoholic beverage, typically a beer.

I had like 30 rons at the show last night and woke up covered in vomit at a Red Roof inn.

via giphy

by Mainthreader May 30, 2019