Discover a new phrase each day to use in your English! These are special phrases and sayings that English speakers use all the time, but you don't often see these phrases in English course books or other study material. Visit daily to learn some popular English phrases on a regular basis.
We use this expression to accept an offer or a challenge.
Written: Yes
Spoken: Yes
Formal: No
Informal: Yes
Example 1
If you help me with this test, I'll buy you fish and chips afterwards.
You're on.
Example 2
I bet you can't eat all those apples in 20 minutes.
You're on. It's easy.
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