Denshi Jisho — Online Japanese dictionary

抜く ぬく 1: to extract; to omit; to surpass; to overtake; to draw out; to unplug;
2: (Suffix) to do something to the end;
3: (Noun) (Slang) (Vulgar expression or word) to ejaculate (gen. with ref. to masturbation)
Common word, Godan verb with ku ending, Transitive verb 

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