A joke similar to "That's what she said"
A funny comment said when a person makes a statement that could also describe an ex-girlfriend/boyfriend.
Lee: Don't worry it's wide enough to fit two or three.
Thomas: I had a girlfriend like that once...

Christina: It's so small I can barely see it.
Lynne: I had a boyfriend like that once...
by Jeff Zuckerman April 22, 2008
Get the I had a girlfriend like that once mug.