What is Grossheider?
1.
the act of either just plain hating everyone and everything around you, or; saying or doing something completely out of left field, thus baffeling those around you and then walking away, causing their respective brains to hurt with your own stupidity.
"i will never understand that grossheider..."
"he always pulls that grossheider crap when they come around!"
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An esoteric doctrine explaining the bizarre reasons chicks hate each other and are no longer friends. It can be applied uniformly to al..