"Wow! You have a bruise above your eye." "Yeah, I disobeyed my mom last night and I got the shit kicked out of me."
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means opposite so the verb version is to oppose or to go against.
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:
Just like when you play soccer (さか). You never play right, causing you to go against all things you're supposed to do and shoot goals into your own goalie's net.