klepto-urbanmaniac

One who has an irresistible urge to steal other's quirky sayings and adds them to the Urban Dictionary.

Tempest is a klepto-urbanmaniac because she steals peoples words and claims it as her own.

Kleptourbanmania: (from Greek: κλέπτειν, kleptein, "to steal", Urban \u-r ban, ur- ban\ is of Latin origin, and its meaning is "from the city". and μανία, "mania")