1 definition by Daniel Scott Entwistle

Face Like A Bag Of Slapped Twats.

A description of a person (particularly women) with a look that appears to be of a sour disposition. To look like one has an enormous turd under one's nose.
"I asked her to bend over for me, and she gave me the worst FLABOST I've ever seen!"
by Daniel Scott Entwistle October 31, 2007
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