A tag used to indicate that something is sarcasm, usually either "/s" or "/sarcasm".
"What day is it today?"

"Christmas. /s"

"Oh, stop using the sarcasm tag!"
by Weetile December 24, 2017
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Internet usage. sarcasmNot used like this./sarcasmA play off the tags (i.e image/image), used in overtly obivous/dumb posts.
Fanboi: OLOL YOU GUYS SUCK UR GAY MAC S0 BEATS M$ AND LINUX OLOL! WHUT R SARCASM TAGS ANYWAY?
Moderator: sarcasm Yeah, you're so right. /sarcasm
by OLOL February 1, 2007
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