88

Arabic numerals: from 80 (“the cardinal number eighty”) +‎ 8 (“the cardinal number eight”).

88 (previous 87, next 89)

1. The cardinal number eighty-eight.

88

1. (amateur radio, Morse code) An informal way to end a transition to a loved one: "love"; "hugs and kisses".

From HH, an abbreviation of Heil Hitler with the letters replaced by their numerical position in the alphabet.

88

2. (neo-Nazism) Used to signify Heil Hitler.
   • 2025 May 23, Charlie Warzel, “What Are People Still Doing on X?”, in Jeffrey Goldberg, editor, The Atlantic‎^[1] (in English), Washington, D.C.: The Atlantic Monthly Group, →ISSN, →OCLC, retrieved 15 June 2025:

     The couple set their funding goal at $88,000—a reference, almost assuredly, to “88,” a neo-Nazi code for “Heil Hitler.”

     (Can we archive this URL?)

• 1488

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• “88”, in Hate on Display, Anti-Defamation League, (Can we date this quote?)

88 (plural 88s)

1. (dated, military) Ellipsis of German 88 (“WWII German 88mm anti-aircraft artillery piece”).

From 拜拜 (bàibai), from English bye-bye.

88

1. (slang, text messaging, Internet slang) bye-bye