That obese boss has authoritative power over us and he terminated two workers last week.
Does being obese mean you're always full? Of course not. But clearly that's what the people who coined the Japanese word for obesity thought... You can see there are some implicit biases in these kanji!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.