Top Definition
A small piece of expanded polystyrene that is used for packaging.
Plural: Grobblies
I was vacuuming the lounge and I sucked up a grobbly.
I opened the box and hundreds of grobblies fell out!
by Cpl Syx September 23, 2006

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.