An acronym standing for "Oh No, It's Monday".

Used to express the discontentment and dread one feels for Monday, the beginning of another tedious week.
Tito: "YES! let's get this weekend started!"
Todd: "You idiot, you've been passed out for 3 days."
Tito: "wait, what? O.N.I.M.!"
by ABDICKOX November 15, 2010

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Top Definition
Similar to TGIF ( Thank God It's Friday ), meaning Oh No It's Monday
*alarm clock*

student: ughh...ONIM.
by spidiee August 23, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt