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"
a person who looks like he/she is gay, but really they just act like it, so he/she can get with the opposite sex, cause they cant unless they say they are gay.