Greasy
An adjective used to describe a person who is; smelly, slippery, disgusting, talks weird, has a clear backpack, doesn't wash their hair, eats lots of mexican food or an event that is along the same lines.
"That kid is so greasy its not even funny, tell him to go take a shower in pit of moist towelets." "Oh man that party was so greasy I thought I was gunna drown in all the bacon fat!"
By Peter And Nate