Top Definition
the mom's boyfriend, who essentially acts as a stepdad in caring for her child or children
Sexy MILF: "Brad is such a great bonus guy. He always takes my son's lunch to school when he forgets."
by Attractive Etymologist March 20, 2014

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.