sampynis

(noun) a really retarded person who acts like a dick or penis often used by Taiwanese students to mock others.
It started in an international school when a student called Sampson Tsai showed his dick in class and started dancing .
(Verb) sampyniscate
(adverb) sampynisly

Damn Jack you are such a sampynis for eating 5 apples .
Tom just sampyniscated in class.
Bob looked at me sampynisly with his dick out.