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2.
A derogatory term which can be used in place of "erectile dysfunction."
"Yeah, I went to the doctor to get my floppy jalopy checked out, and they put me on Levitra."
by submison February 22, 2009
 
1.
A limp, old, saggy penis.
"Dude, the other day I was in the men's locker room and some old guy had a huge floppy jalopy!"
"Dude, your grandpa's floppy jalopy is hangin' out..."
by Nitaro02 February 07, 2006
 
3.
Saggy and pancake like breasts that are very floppy and limber in nature and form.
Africa is a beautful country however do to their indigenous customs, the woman there have a serious case of floppy jalopies.
by Dameese February 17, 2009