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The Couple Name of Yoochun and Junsu of the korean boyband/manband DBSK.

The word is a combination of the 'Yoo' in (Yoo)chun and the 'su' in Jun(su).

The name order relates information about the position each person holds in the relationship.

In Yoosu, Yoochun is the dominant partner (coming at the beginning of the name), Junsu is the less dominant partner (coming at the end of the name).

See Junchun
Girl#1: You think Yoochun and Junsu are just friends?
Girl#2: No WAY! Yoosu couple is so real!!! :D
by Hoshiko_Malfoy November 10, 2008
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