A mispronunciation of "glossy top coat." Often used by YouTube nail artist simplynailogical, it refers to a quick-drying nail polish top coat, which is different from a clear nail polish.
"Now add a glossy taco 'cause we're gonna add nail vinyls next!"
When a girl is passed out naked at a party cause the dumb bitch cant handle her liquor. You proceed to take a dump in a toilet, put on a latex glove and grab a turd that looks like a meatball, and take it out of the toilet and place it on the hole of her vagina. She proceeds to wake up in the morning and looks down and see's a mooshey melting meatball looking turd slammed in her taco.
Yo Megan couldn't handle those yeagerbombs last week, its a shame cause she woke up with a Mooshey Melty TacoMeatball between her legs.