Top Definition
When your mom acts like she doesn't care but is really pissed off.
Wow, your mom is being super chill about that party!

Oh, yeah, you'd think so but I have a suspicion that she's just being momchalant...
by RooskiJD December 01, 2009
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.