intransitive verb

1. to move or lurk about in a stealthy, craven, or sinister manner; slink
2. Chiefly Brit. to avoid work or responsibility; shirk; malinger

Etymology: ME sculken, prob. < LowG schulken, to play truant, or Dan skulke, to skulk

noun

1. a person who skulks
2. Obsolete a pack (of foxes)