Meaning This one is on me
Type Acronym
Rank ★ ☆ ☆  Uncommon
Usage Online Only (chat, messaging, e-mail)
Comments When someone says, "This one is on me," it means he or she has decided to pick up the bill or pay for something.
Example "I'm pretty sure you paid last time, so TOIOM."
Updated April 29, 2010