Sexually Transmitted Timeline Disease, a reference to the new and unsatisfactory Facebook format.
"Damn it, they changed my Facebook profile to the STTD!"
by BlueBrother April 19, 2012

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Top Definition
A sttds is a sexually transmitted disease contracted from a tinder hookup thus called a sexually transmitted tinder disease
She probably has sttd's you should probably swipe left.
by a_tron September 02, 2014

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Sexually Transmitted Technology Disease

A computer virus acquired from watching online porn.
My laptop caught an S.T.T.D.
by 654lkjahsdlkh May 04, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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