beat (one's) meat

vulgar slang To masturbate. A term only applied to men. A: "Why is he all embarrassed today?" B: "Oh, his crush walked in on him beating his meat. How horrifying is that?"

Common Names:

Name	Pronounced	Usage
Zabel	-	Armenian
Lenox	LEN-əks	Scottish, English (Rare)
Zelma	ZEL-mə	English
Arnauld	['a:rnəu]
Ceridwen	ke-RID-wen	Welsh
Alkiviadis	-	Greek