Top definition
When something is expected to be breathtakingly amazingly awesome, and turns out to be tragically lame and/or mediocre.
Ken: We should go see that movie Frost/Nixon! It looks fresher than dope and crazy cool!

Ellen: I don't think we should. I would kill myself if it had the Mansfield Effect.
by Room408, Nish June 30, 2009
Mug icon

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