prep

1. A preventative medical regiment of HIV medicines used to protect against HIV seroconversion after an exposure.

   Some doctors will prescribe pre-exposure prophylaxis to promiscuous people that have a hard time controlling themselves or their condom usage to prevent them from getting AIDS.

1. Preparation.
2. A prep school.
3. A student or graduate of a prep school, a preppy.
4. Homework, work set to do outside class time, used widely in public schools and preparatory schools but not state schools.
5. Preparatory level; the last two levels or the fourth and fifth years of preschool; the two levels before first grade.

verb

To prepare.

1. (grammar, strict sense) Any of a class of non-inflecting words typically employed to connect a following noun or a pronoun, in an adjectival or adverbial sense, with some other word: a particle used with a noun or pronoun (in English always in the objective case) to make a phrase limiting some other word.
2. A proposition; an exposition; a discourse.