Backsack

//ˈbækˌsæk// noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 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."

  2. 2
    The back of the testicles. slang, vulgar

Example

More examples

"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."

Etymology

Compound of back + sack, possibly influenced by backpack.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.