junkhead

noun — 2 senses

junkhead

noun

Etymology From junk + -head.

1

Slang A junkie, drug addict.

junkhead

noun

Etymology From junk + head.

1

A kind of piston engine cylinder head, where the head is formed by a dummy piston mounted inside the top of the cylinder.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.