Having a loud, arrogant voice, but seemingly funny at the same time. A Snowbro usually has long, skater-like hair, is athletic, and has "Snow" in their last name. The Snowbro may also be enthusiastic about everything. "Snowbro" is just his persona, when naturally he's an overall nice and funny guy.
Originally created by Matthew Snowbro.
"Dave, did you see Snowbro today? I heard the teachers were talking about how rude he is in the hallways."