BARDOLPH: Why, sir, for my part, I say the gentleman had drunk himself out of his five sentences. / EVANS: It is his 'five senses'; fie, what the ignorance is! / BARDOLPH: And being fap, sir, was, as they say, cashier'd; and so conclusions passed the careires.c. 1597 (date written), William Shakespeare, “The Merry Wiues of Windsor”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene i]:
Etymology Onomatopoeic Internet neologism from the sound of penile masturbation, originally used in English translations of some adult Japanese manga, and popularized on the Internet by the webcomic The Thin H Line/Sexy Losers and other online sources. Compare Japanese しこしこ (shikoshiko).
1
Internet, Informal, Vulgar Indicates that someone (normally the speaker) is either masturbating, or inspired to by sexual arousal.
I was watching some porn – fap fap fap – when my computer crashed, again!
She's single?... *fap fap fap*
fap
verb
Etymology Onomatopoeic Internet neologism from the sound of penile masturbation, originally used in English translations of some adult Japanese manga, and popularized on the Internet by the webcomic The Thin H Line/Sexy Losers and other online sources. Compare Japanese しこしこ (shikoshiko).
For what reason – other than a knowing sadistic streak – would they have named something millions of teenage girls were fapping themselves senseless with ‘Mum’?2014, Caitlin Moran, How to Build a Girl, Ebury, published 2015, page 39:
Etymology Onomatopoeic Internet neologism from the sound of penile masturbation, originally used in English translations of some adult Japanese manga, and popularized on the Internet by the webcomic The Thin H Line/Sexy Losers and other online sources. Compare Japanese しこしこ (shikoshiko).