An irritating sort of person who laughs all the time, even when it's inappropriate. Like Doctor Hibbert on the Simpsons.
My ex-girlfriend was a total Hibbert... by the time we broke up I was ready to kill her if I had to hear that stupid laugh even one more time.
1.a dirty sket who's only home is at the bottom of a fucking trash can!
2.A girl who never washes
3.A girl who is not going to leeds
'That girls a hibbert!'
'Some dirty bloody hibberts went to that party last night!'