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.
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.
Ubiquitous tourist tat of Scotland: A tam o'shanter hat (a kind of tartan beret with a pompom in the middle) with ridiculous red hair attached to it, designed to make tourists look like they are trying to blend in with mythical highland natives.