Clique
A small group of people with common interests
Chlamydia
A common bacterial sexually transmitted disease (STD)
Curfew
The hour at night after which one (usually a child or teenager) must be indoors
Grotsky
Slang for grotesque
Lesbian
A homosexual woman
Retaliation
Revenge; getting back at someone
"The Plastics"
A subculture comprised of stuck-up airheads
Treachery
Betrayal of trust
Whore
A prostitute
Zoologist
An expert in the study of multiple aspects of animals and their behavior
Fetch
Gretchen Wieners's slang word, meaning something "cool," which she claims is "from Britain."
Fugly
A portmanteau of "fucking ugly."
Wannabe
A poser; someone who aspires to be a part of a social group to which they do not belong.
Nfume
The name of Cady's first crush at the age of five.
Pusher
A word that Ms. Norbury uses to describe being a motivating influence, that Cady deliberately distorts to mean "drug pusher."
Limit
In calculus, the value that a function (or sequence) "approaches" as the input (or index) "approaches" some value.
Mathletes
The name for North Shore High's academic games team in mathematics.
Grounded
When a parent disciplines his or her child by having them stay in the house instead of going out and socializing with friends.
Danny DeVito
An American actor and filmmaker that Damian references when scaring a female classmate out of the girl's bathroom.
Ashton Kutcher
An American actor whose name Cady initially thinks is a band.