Top Definition
A person, usually a woman, who is excessively passive aggressive and controlling. A bit of a downer. Similar to kill joy.
What do you think of Roy's new girlfriend?

Pretty but a bit of joy clamp.

Coming out for a drink?
No, I've been joy clamped.
by Shuaman September 01, 2012

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.