The urban dictionary is what the oxford english dictionary would have turned out like, if it had attended an inner city comp. The oxford english dictionary clearly received a private, priviliged education where it could just get on with being smart and get the grades to go to Oxbridge. The urban dictionary had to survive on its wits alone.
Urban Dictionary is a dictionary that helps people discover words that aren't in the normal English dictionary like booty or fuck. This helps people discover new words to use in everyday life.
FRIEND 1 - What does pineaple mean
FRIEND 2 - Go to Urban Dictionary, it probably be there.
*Friend 1 is never seen again*