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 30, 2009
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Small Town Big Dick Energy - when you're the best at the local weekly karaoke and you MAKE SURE people know it.

Measured in ratio of ego to population size
Wearing your Letterman jacket to social events other than high school reunions radiates STBD Energy
by Tucker Phillips December 29, 2020
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