hot knives 

the act of smoking weed by rolling the weed into little nuggs, heating up the tips of two knives with a blowtorch/stove, once the knives are red with heat you push lightly on a nugg to pick it up then compress the weed between the two knives, finally hold the knives inside the bottom of a bottle with the bottom smashed or cut off

We did hot knives last night and I was fucked after one toke

hot knives by SUMS 420 March 8, 2004

Hot knives 

Same as the first definition, but usually done with hash. Also called "Blades". Little balls of hash that are vaporized with red hot butter knives. (sometimes thru a papertowel tube, to avoid accidental lip burn) Usually done on a stove top, but a torch is faster.

"Pull out the blades, cause we're doin some hot knives!"

Hot knives by Chino Valdez February 1, 2010

hotknives 

When you get a pair of butterknives red hot from a stovetop to replace the torch used to hit a dab.

Bro do you have a torch? Nah but we can just use hotknives.

hotknives by Mechanical_SLATT April 14, 2019