Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
You have to remember the うつ part. You're being rude, right? That's why you got photographed. Why are you rude? You're doing beatboxing, constantly saying うつうつうつ over and over again. Say it out loud, too.
Is your brother in these pictures?
Among the 500 pictures I took this year, 103 of them had my father who had died last year in them.
The guy in this picture was my first kiss.