Top Definition
A homosexual spirit, specter, or other apparition exhibiting effeminate qualities.
Frylock: Oh my God! A ghost!
<Master Shake corrects Frylock in a condescending tone>
Master Shake: A gayst.
"Aqua Teen Hunger Force: Kangarilla and the Magic Tarantula"
by Pod Plant Dude April 20, 2010
1 more definition
1) So gay you don't even know it.
2) Aaron Holder.
"man, that fucking cowboy is the king of gayst."

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