Buttcrack
noun, slang
noun, slang ·Uncommon ·College level
Definitions
Noun
- 1 The gluteal cleft. US, informal, slang
Synonyms
All synonymsEtymology
From butt + crack.
Related phrases
More for "buttcrack"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.