frass

Short definition from Wiktionary

Noun

1. 1
   The droppings or excrement of insect larvae.
2. 2
   The sawdust-like byproduct of wood-boring insects like woodworm, termites, old-house borers or powderpost beetles.
3. 3
   artificial turf
4. 4
   Alternative form of ferash.

Adjective

1. 1
   Under the influence of marijuana, stoned.