uke

noun3

1. •
   The training partner against whom tori performs a move.
2. •
   (informal) Clipping of ukulele.
3. •
   (slang) A passive or submissive male fictional character in a same-sex relationship; a bottom.

   • Yaoi uke in fanfics often bear the brunt of stereotypical "negative female characteristics" such as passivity, helplessness, and masochism. — 2008

noun1

1. •
   (informal) A Ukrainian.