This is an extremely irritating,
annoying, snobby child who demands their way at all costs, even to the point of embarrassment. A more acceptable term for a
brat.
May also be used as an adjective
"That snotnose got
us kicked out of saks" said the babysitter to her friend, " now I have to
shop at macy's,
eww"
that snotnosed bitch got me to do her chores!