It means a stupid fuck. It is also used to describe people who are extremely dense and are unable to understand even a simple thing.
by alohayalam July 14, 2017

by Mengkok December 30, 2017

used in Malaysia as a word to call those pigs who don't give a signal while driving at the junction.
situation 1:
teacher: why are you late?
student: there was a mangkuk ayun at the junction.
situation 2 :
ray: *driving*
mangkuk ayun: *don't give a signal and continue to watch trump's conference*
ray: WOI MANGKUK AYUN
teacher: why are you late?
student: there was a mangkuk ayun at the junction.
situation 2 :
ray: *driving*
mangkuk ayun: *don't give a signal and continue to watch trump's conference*
ray: WOI MANGKUK AYUN
by tacoodt October 28, 2020
