beef out
C1 slang inseparable intransitive
In simple words
To get more muscles and a bigger body, OR to get angry and then chicken out of a fight.
Literal meaning: To take on the qualities of beef — i.e., become meaty and muscular.
Meanings
1 C1
idiomatic
slang
To become noticeably more muscular or physically larger, usually through exercise.
"He really beefed out after six months of weight training."
Grammar: inseparable
Usage notes
Rare and highly informal. The 'back down' sense is particularly uncommon and regional. Most ESL learners will not encounter this phrase often. Can be confused with 'beef up'.
Commonly used with
gym muscles confrontation fight body
Forms
Base
beef out
I/you/we/they
3rd person
beefs out
he/she/it
Past simple
beefed out
yesterday
Past participle
beefed out
have + pp
-ing form
beefing out
continuous
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