Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: snot-nosed
  1. (used colloquially) overly conceited or arrogant
    "they're snobs--stuck-up and uppity and snot-nosed";
    - bigheaded, persnickety, snooty, snotty, stuck-up, too big for one's breeches, uppish
  2. Dirty with nasal discharge
    "a house full of snot-nosed kids";
    - snotty

See also: dirty, proud, soiled, unclean