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2.
A complex device that can help prevent both overpopulation and intercellular war. This device can come in many different varieties - such as slippery, bumpy, and strawberry.

In other words, a condom.
Make sure you always wear a Jimmy Hat while wildly thrusting into the subject of your lust.
by Orange Dingo December 29, 2005
 
1.
A Prophylactic, or condom
be sure to wear a jimmy hat
by JBlaine September 25, 2005
 
3.
A jimmy hat is slang for a condom.
Before you dip your stick, put on a jimmy hat.
by Kahn.no May 25, 2005
 
4.
This is another word for condom
"All the times I should have worn a Jimmy-Hat. All the times I said "what the fuck"" - nofx
by fatmike February 12, 2003
 
5.
A condom. Great word to use when asking a guy if he has a condom and you don't want the chick that you about to shack up with to know what you're talking about.
James put on a jimmy hat before he his girlfriend jumped on for the ride of her life.

Scott took off his jimmy hat before he skeet skeet skeeted all over her g-unit.
by Kyle J. P. May 26, 2006
 
6.
Another term for condom
Hey man, do you have any jimmy hats?
by Book 29 March 18, 2005
 
7.
Condom, rubber
The bitch looked kinda nasty so I made sure I was wearing my jimmyhat when I was fuckin' her.
by Anonymous July 09, 2003