Top Definition
A type of oral sex peformed on a man.
Came from the words, jap and tonsils.
Niamh is jonsiling Matthew behind those appartments.


Niamh jonsiled Matthew in his bedroom twice tonight.
by magicballs October 06, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.