An annoying hipster douchebag that has a beard or scruff.
Dude, that beirdo posted up right in front of me at the club last night, waving his iPhone around in my face the entire time like a jackass.

That ball hugger Jim rides a fixie, listens to whiny bitch music, always has a PBR tall boy, smokes American Spirits, wears beanies, flannels, and skinny jeans from American Apparel, and those stupid fakies (non-prescription black rimmed glasses). He's a total beirdo!
by Nearly Civilized December 8, 2012
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Beirdo - Noun

A portmanteau of the words beard and weirdo. A bearded, middle-aged man with greasy, oily skin and scraggly hair (if applicable). Many Beirdos will sport a shaven head or, on slightly rarer occasions, a bullet (see the 11th definition for Bullet). Hygienic habits of a Beirdo include refusal to use a toothbrush, soap, deodorant, or toilet paper. Beirdos generally have an inner electromagnetic affinity which attracts them to small groups of younger teenage boys with whom they can converse, even if against the group's will. Beirdos tend to enjoy discussing such subjects as hanging dead bodies, torturing small defenseless animals, and eating raw meat. The Beirdo's habitat ranges throughout the United States, some having been sighted even as far south as Baja California. They are most commonly spotted in Walmart, in The Dollar Store, at County Fairs, or in public restrooms, always taking a dump, but never wiping. Like the chimpanzee, Beirdos have been known to fling their waste if provoked. Experts suggest maintaining a 20 foot distance in order to stay out of range of a Beirdo's pungent, natural odor.
Example 1: The Beirdo cackled hysterically as he recounted the last time he'd seen his grandmother fall and break her hip.

Example 2: The stench of Beirdo wafted into my nostrils as I felt the warm breath of a middle-aged bald man whisper into my ear, "You ever eaten a raw gopher?"
by JuhCoby55 October 27, 2009
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A person who is weird and has a beird. It's also a person who looks weird because of their beird, or a person who is weird and doesn't have a beird, but you want to add "with a beirdo" to your plain old ordinary "weirdo". It's from the movie Evan Almighty.
person 1: Look at that guy's beird!
person 2: YEAH! What a weirdo with a beirdo!
by Kate, littlemissSUNSHINE August 9, 2007
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