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
Echo	E-ko (English)	Greek Mythology
Tivoli	-	Various
Nathalie	na-ta-LEE (French), NAH-tah-lee (German)	French, German
YÊN	-	Vietnamese
SÉRaphin	se-ra-FEN	French
Tamiko	tah-mee-ko	Japanese