IOU1


Also found in: Acronyms.

IOU1

An abbreviation of "I owe you one," with "owe," "you," and "one" represented by the O, U, and 1, respectively. Used to express gratitude and indebtedness to someone for some favor or kindness. A: "Can I borrow your car for the weekend?" B: "Sure, no problem." A: "Thanks, dude. IOU1."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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