Adjective; the opposite of serious; Unintentionally acting or speaking in a silly manner in a serious context.
Timothy: hey mark, if you could have any car in the world, what car would it be?
Mark: idk man, probably an Infiniti G37.
Timothy: hahaha… wait are you sillious?
Mark: idk man, probably an Infiniti G37.
Timothy: hahaha… wait are you sillious?
by Milkman320 June 30, 2022
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That was so sillious
by lol lol i dont know what a pse December 29, 2022
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