A hook up that is so sloppy that you choose to plead the fifth. Hence pleading the sloppy fifth.
Broham #1 -Dude, how was that chick last night?

Broham #2 - "She was a total sloppy fifth..." or "I plead the sloppy fifth!!!"

Broham #1 -Sorry I asked broham!

by James Boyer January 31, 2007
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