Cuboyd is a Youtube personality who is a superhero with a box costume who goes around, disproving bets and doing (failing) stunts. He's pretty awesome, and gets offended when called a mong.
Boy decked out in designer items, usually futuristic, a thin line between urban e-boy and hypebeast but without the striped sleeves and supreme headbands. Usually wearing tech streetwear from Japan(eg. tactical pants and tactical vests) and looks like a cyborg half the time(in this case a regular human wearing tactical styles). These boys are normally found in the most innovative areas in either China or Japan or other places with similar areas.
A male with a vagina instead of a penis, and does not have breasts.
Can also be a gender instead of biological sex, where the person just resonates with the idea of being a cboy, which could be referred to as a "Trans cboy"