Top Definition
A friendly and light-hearted way of asking 'What's on your mind?'

usually used in a conversation between close friends, not really the kind of thing you'd say to you're boss or a man of the cloth.
Dobby: What's a-bobbin in your noggin?
Harry: Voldemort :)
by NomNomPotashMcBobbinson May 13, 2011

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×