Top Definition
when somebody makes a comment using sarcasm but actually they are serious about what they said. but there tried to hide it behind a sarcastic tone of voice.
Boy: I think i fancy Susan lol (sarcastic)*
Friend: OMG sercasium you do
Boy: no i don't
Friend: I've seen u given her the eye.
#sercasium #serious #lie #sarcastic #sarcasm
by matty walker October 26, 2007
4 Words related to sercasium
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