mangak

(noun) someone who is overreacting and hyper-energetic over literally anything. usually mangak refers to people who are annoyingly loud and energetic in class

(adjective) a personality which related to the person who is excessisvely energetic

Teacher: Baiklah, siapa yg boleh bacakan utk cikgu pereng-
mangak classmate: SAYA CIKGU, SAYA!!
other classmates: aduhh, mangak siaa...