extracurricular activity

(humorous)

sexual activity, especially when it is secret

Usage notes: Extracurricular activities can also mean things that you do which are not part of your school or college course.

You're looking very tired these days, Ron. Been indulging in too much extracurricular activity?

Name	Pronounced	Usage
Gianna	JAHN-nah (Italian), YAH-nah (Greek)	Italian, Greek
Katsuo	kah-tsoo-o	Japanese
Prateek	-	Indian, Hindi, Marathi, Gujarati, Bengali
Jaime (1)	HIE-me (Spanish), ZHIEM (Portuguese)	Spanish, Portuguese
SÉBastienne	-	French
Mattithiah	-	Biblical