jacking off

Từ điển WordNet v3.1 - WordNet Dictionary

noun

slang for masturbation
• Syn:
jerking off, hand job, wank
• Derivationally related forms:
wank (for: wank)
• Usage Domain:
slang, cant, jargon, lingo, argot,
patois, vernacular
• Hypernyms:
masturbation, onanism