Top Definition
The act of mildly slapping one's tongue against the pallet within the mouth or against the molars whilst having one's mouth slightly open. Commonly preceded by a yawn when waking up. Can often occur after sampling food. Swallowing may follow.
I wake up and slakbo - there is a strange taste in my mouth
I taste my coffee and slakbo, finding that there is not quite enough sugar mixed in.
by Brett Credo and Sean O'Reilly October 30, 2007
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