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Also called "BROs" because they constantly refer to each other as bro ("Hey bro"), a flatbiller is a kid covered in silly tattoes, tries his best to be x-treme, has a raised truck, rides dirtbikes and needs to talk about dirtbiking when other people are listening. Havasu and Glamis are the common vacation spots for west coast flatbillers. The term flatbiller refers to the flatbilled hats turned sideways that bros often wear. Common flatbiller accessories are custom lowered older cars, iron cross/west coast choppers stickers, bandanas, white stickers on the back window of their "street" truck that show how x-treme they are. Flatbillers are only allowed to wear black. There is an entire webpage devoted to providing flatbiller examples... the name is very creative, can you guess it?
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