1 C1 idiomatic slang
To suddenly abandon a person or plan, leaving others in a difficult position. (Vulgar)
"He totally assed out on us right before the big move — we had to carry everything ourselves."
ass out
C1 slang intransitive
Vulgar slang meaning to abandon someone or withdraw from a commitment at the last moment.
In plain English
To leave someone in a bad situation by suddenly not doing what you said you would.
What does "ass out" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 C1 idiomatic slang
To fail completely or be left with nothing after a risk doesn't pay off. (Vulgar)
"I bet everything on that hand and assed out — walked away with nothing."
Usage tip
Vulgar American English slang. Considered offensive in most contexts. Used colloquially among close friends. Not appropriate for formal, professional, or academic settings. ESL learners should be aware of this term but exercise extreme caution using it.
Words that pair with "ass out"
Natural word combinations native speakers use most often.
last minute deal plan commitment friend
How to conjugate "ass out"
The five tense forms you'll use most often.
Base
ass out
I/you/we/they
3rd person
asses out
he/she/it
Past simple
assed out
yesterday
Past participle
assed out
have + pp
-ing form
assing out
continuous
Hear "ass out" in the wild
Listen to native speakers using "ass out" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
Jump to every phrasal verb built on the same verb, particle, or level.