also: ししがへる
expression, godan verb (-ru)
slim down; lose weight
Colloquial expression literally meaning 'meat decreases'. Used for losing body weight or slimming down, often with a casual tone. Compare with 肉が落ちる, which has a similar meaning.
See also: 肉が落ちる
最近運動してるから、ちょっと肉が減ったかも。
I've been exercising lately, so I might have lost a little weight.
夏までに肉が減るように頑張ろう。
Let's work hard to slim down by summer.