joke on SNSD; abbreviation for 'suck my small dick'
yo smsd pl0x
do u love (to) smsd?
by mctp11 June 3, 2010
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Girl: smd

Boy: you ain't got one

Girl: well smsd

Boy: what that mean?

Girl: suck my soulmate dick.
by No ko December 29, 2017
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suck my sleeping dick, specifically used when referenced to a varaxi.
SMSD Varaxi.
by okayyes January 18, 2021
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