Top Definition
A person exhibiting severe ignorance and inability to comprehend simple ideas. Derived from the 90's insult "dingleheimer".
"This heimer just came into my computer shop and asked for a cable for his 'immodium'."

"My friend just asked if there was a trick to flushing my toilet. What a heimer."
by andrewc513 May 20, 2010

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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