phrase
Street Slang
On Bro
/ɒn broʊ/ · phrase · slang
A swear-on-it phrase meaning 'I promise, on my brother's life.'
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Definitions
1
Used to emphasize sincerity at the end of a statement.
“That movie was trash on bro.”
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2
An oath used to swear you're telling the truth, short for 'on my brother.'
“On bro I didn't touch your snacks.”
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3
Used as a quick agreement, like 'facts' or 'for real.'
“'We gotta lock in this year.' 'On bro.'”
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On Bro In A Sentence
On bro I been calling you all day, check your phone.
She finished the whole season in one night on bro.
On bro this the last time I'm covering for you.
Origin & Usage
Part of the AAVE 'on [something you value]' oath family (on God, on mom, on everything). 'On bro' rose with Gen Z slang and the broad use of 'bro' for any close friend.
People Also Ask
What does on bro mean in texting?
It's a way of swearing something is true, like 'I promise.' It's short for 'on my brother.'
Does on bro mean your actual brother?
Not usually. 'Bro' here means a close friend or just a generic person you swear on, the same way people say 'on gang.'
Is on bro the same as on God?
Close. Both are oaths, but 'on God' is treated as more serious by some people. They're often used interchangeably.
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