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This one is on Meaning in English

expression

ˈðɪs/, /ðɪs/ /ˈwən/ /ˈɪz/, /ɪz/ /ˈɑn/, /ˈɔn
THIS wuhn iz AHN
ðˈɪs/ /wˈɒn/ /ˈɪz/ /ˈɒn
this WON iz ON

Definition

You use 'this one is on' to offer to pay for something, like a meal or a drink, for someone else. It shows that you are taking responsibility for the cost.

Usage & Nuances

Informal and friendly; often said in restaurants, bars, or cafés. Typically used with 'me' at the end: 'This one is on me.' Can also apply to other expenses. Sounds generous and sociable.

Example Sentences

Don't worry about the bill—this one is on me.

basic

You bought last time, so this one is on me.

basic

Let’s celebrate! This one is on me.

basic

Hey guys, drinks tonight—this one is on me!

natural

If you insist on helping me move, this one is on me next time we go out.

natural

She smiled and said, 'This one is on me, enjoy your dinner.'

natural