chippy

Short definition from Wiktionary

Noun

1. 1
   A carpenter.
2. 2
   A prostitute or promiscuous woman.
3. 3
   A fish-and-chip shop.
4. 4
   The youngest member of a team or group, normally someone whose voice has not yet deepened, talking like a chipmunk.
5. 5
   A potato chip.
6. 6
   A chiptune.
7. 7
   A chipping sparrow.
8. 8
   An occasional drug habit, less than addiction.

Adjective

1. 1
   Ill-tempered, disagreeable.
2. 2
   Involving violence or unfair play.
3. 3
   Tending to form chips when cut, rather than larger, more usable pieces of wood.
4. 4
   As dry as a chip of wood.
5. 5
   Feeling sick from drinking alcohol; hungover.

Verb

1. 1
   To take drugs (especially heroin) on an occasional basis, rather than as an addict.