A girl under the age of 18. (actually anyone under 18); Minor in the U.S. When informing another unknowing person that the girl they are peeping is under age you tell them, "she's tu yong" aka too young, with a Chinese accent to make this sometimes awkard moment funny yet surreal. Having sexual relations with a young girl is illegal and get you thrown in jail, you caught the Chinese Disease.

Commonly known as "draggin'(dragon) ass". Feeling tired or worn out.