Etymology

badass

bad·ass
B3A1D2A1S1S1

Today it means: A belligerent or mean person; a person with an unpleasantly extreme appearance, attitudes, or behavior. Full definition →

Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

From bad + ass (“buttocks; one's self or person”).

Etymology from Wiktionary, CC BY-SA 4.0.