Top definition
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
Mug icon

The Urban Dictionary Mug

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

Buy the mug