backsack

A backpack.

Noun

  1. A backpack.
    • A moment passed, then a bent old man labouring unsteadily under a backsack shuffled slowly through the afternoon gloom toward the Pawn shop's front entrance. - 2012, Richard J. Sutcliffe, The Builder:
    • The cyborg slung a backsack over his shoulder and exited the cockpit. - 2025, Josh Coker, Past The Fringe, page 27:
  2. The back of the testicles.

Origin

Compound of back + sack, possibly influenced by backpack.

Forms

backsacks