too big for one's  britches
too
tu:
too
big
bɪg
big
for
fɔ:
faw
<i>one's</i>
wʌnz
vanz
<abbr style="text-decoration: underline;" title="britches / breeches" > britches</abbr>
bri:ʧɪz
brichiz

Definition & Meaning of "too big for one's britches"in English

too big for one's britches
01

behaving in a manner that highlights one's often non-existant superiority over others 

Dialectamerican flagAmerican
too big for {one's} (britches|breeches) definition and meaning
Disapproving
Idiom
Informal
Old use

What is the origin of the idiom "too big for one's britches" and when to use it?

The phrase "too big for one's britches" is an American English idiom that has its roots in the early 19th century. This idiom is used to describe individuals who overestimate their abilities, take on more responsibility than they can handle, or tend to behave in a selfish manner.

Examples
He acted too big for his britches when he started giving orders to the seniors. 
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