1. A person who enjoys partaking in sleeping, laying or generally acting in a fatigued manner.

2. A person who has either passed out, fallen asleep or vomitted due to vast consumption of alcoholic beverages.

3. May also be used as a verb, 'fabbing out' when referring to 1. or 2.
1. Wake up, you fab out!

2. Jill's been sick, she's missing the party, the fab out!

3. Why are you fabbing out, you fab out?
by Donna and Fran March 20, 2006
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