An acronym for "shrivelled up little old boy," referring to the appearance of a man's reproductive appendage following any kind of attack on his ego or masculinity.
Trevor: And then she told me that her ex used to tame lions whilst riding Harley Davidsons and solving world hunger.
Dave: SULOB?
Trevor: Yep.
Dave: SULOB?
Trevor: Yep.
by youmayknowme June 18, 2013
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