um means a girl that haves fat ass , is stupid, speaks a LOT, is really anyoing and. says always um... um... um...
SHE IS SO UM I HATE HER SHE CANâT STOP SAYING UM AAHH I HATE HER SO MUCH!!
dumb, stupid bich, she / he has a fat ass
omg she is such a UM !!!!! I hate her she is so ugly D: