Top Definition
An expression of extreme emotion, used by those who retain the presence of mind to avoid causing offence by saying "Oh my G_d!".

In really difficult circumstances, the variant "Oh. My. Hat." may be used.
(While on a dive for NatGeo, or it may be the BBC, a giant Pacific octopus emerges from under a rock.)

Oh my hat! - check that out!

Oh. My. Hat. I've totally pooped in my wetsuit, dude.
by Spaceman3 July 17, 2010

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