Top Definition
Acronym for Sexually Transmitted Brain Disease.

All documented cases have been transmitted from attractive yet equally unintelligent women. Symptoms include, but are not limited to: short term memory loss, confusion, loss of basic motor skills, and an increasing inability to turn down moderately attractive women on the basis of intellect.
Is Kyle retarded today. or did that chic give him an STBD.
by milds June 29, 2009
Sure To Be Deleted. Any post on the internet that will surely be deleted by site moderators.
Check this dude knockin everybody with his posts, including the moderator. That STBD shit won't be there for long.
by GeekMalone July 25, 2014

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