ningcomboosh
Similar to a nincompoop, but you have to be the actual nincompoop and use it incorrectly for 15 years, minimum. The origin was derived by a balloon head that doesn't understand normal pronunciation. A real nincompoop.
"HAHAHAHAHA MIKEY MAC YOU'RE FUCKING HILARIOUS, BUT SOMETIMES YOU ACT LIKE A NINGCOMBOOSH. STOP THROWING YOUR COCK EVERYWHERE SIMBA, JKLOVEYOUBYE" -Taylor MacKinnon