Jenko is a nickname given to someone with the last name Jenkins. It describes someone who has a big nose and a micropenis. They tend to be rich and have bisexual tendencies. A Jenko will also try and make you believe they are good at sports but they really aren't.
Person A: "Hey Jenko, wanna hang out?"
Jenko: "Sure, let me go ask my butler for a ride to your house"
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