A semi-beard or goatee - usually the result of a poor decision to display a lack of significent testosterone - compounded by insufficiant facial follicles. The resulting jeers have been the cause of much teenage angst and may have actually stirred the creation of the entire EMO generation. Also known as a face tail.
After an entire Summer without using a razor, Robbie shaved off his chin squirrel when Jessica and Ariel both said "OMG how cute is that? Did you grow it yourself?"