Top definition
The nasty stuff you spit up when you have been snorting meth or coke.
That fuckin methhead covered the deck in gack spit!
by crazyfock November 07, 2003
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
bad shit man, bad shit.
man dont u even think of gack spit!
by chloe! June 27, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug