A derogatory term directed at Sheldons, the true intellectuals. This word has since been taken back by the Sheldons, and is a term of endearment among them.
Someone who lacks short-term memory but has pretty good long term memory but only for the most useless things ever example: Retrosodadude. And people who are bazingersmost of the time think they are smart when they are not.
Semi-discreetly alerting your friends about the presence of a person wearing revealing or sexually suggestive attire, generallyassociated with the sight of breast or nipple.