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1.
word you use in the place of the commonly used word serious, in order to give it more swag. The more you inflect your voice as you pronounce sah-re-us, the more swag it has.
swag kid's friend: yoo kid last night i almost got with that hot chick you used to date.

swag kid: You sahrious? that girl wants me
by Daddylonglegs11 September 05, 2011