Top Definition
Pronounced as : Twitt-er-us

A person who uses Twitter to Twit useless shit that no one in the world cares about.

(T)houghts (W)hich (I) (T)ype (T)hat (E)xemplify (R)eally (U)seless (S)hit.
1) Baxter is such a twitterus.

2) Did you see Baxters twitterhea about his job, what a twitterus.
by OSH and HWL June 23, 2009
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