1 definition by emerald lizard

Acronym for "submissive seme, dominant uke".

In yaoi, a sexual situation with dominance/submission in which the seme (person penetrating) obeys and the uke (being penetrated) decides what happens.
In chapter 3, we finally get to the sex: delicious SSDU.
by emerald lizard May 15, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×