1 definition by Graham-Chan
To speak gibberish or garbled words. To mumble while saying things no one can understand. To speak drunkenly while sober.
Grumin can sometimes be funny and used mocklingly, but at other times it is annoying and overplayed.
Grumin can sometimes be funny and used mocklingly, but at other times it is annoying and overplayed.
by Graham-Chan March 14, 2007