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One of those slap your forehead moments when you realise that you've just done something incredibly stupid.

The moment when something "dawns on you" and "the penny drops.
A dohment is when you realise that you've put the baby outside and tucked the cat up in the cot for the night.


A dohment is when you wonder why the lawn isn't looking any better then notice that you haven't engaged the lawnmower blade.
by la_spice August 04, 2009
A moment in which you have only on appropriate word in which to fill the void, "Do'h"
Boy 1; ready for that exam?
Boy 2; *pauses* Do'hMent!
by nyteFUCKINGone September 20, 2007