Top Definition
Like Your Sister, Shes Been There For You Since Diaper Days & Still Is.
(Kelly sees Mari stand up for May in front of a bully)

Kelly: Talk About Braveness? haha. What was that for?
Mari: Shes my sissyboo, no one messes with her. Bl
by _Polynesianbabe_ June 30, 2013

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.