An action or person of unquestionable lameness.
Usually used in relation to the breaking of the most basic social norms by one of extreme social awkwardness, effectively digging an even larger hole of social isolation than already exists.
Derived from the Italian 'Cavare' meaning 'to dig'.
Person 1: I can't make it to the party, I have to clip my toenails.
Person 2: That is so Cavell.
Person 1: I don't want a mobile phone. I'm free from society's grip on my life.
Person 2: You are so Cavell.
A beautiful girl, with a great smile that can light up yout day. Likes to play hard to get, she is hard to keep as your girlfriend, but she is a girl you wouldn't want to let go. Can not be trusted. Yet u always find yourself missing her and wanting more of her. She can make you or break you.
You see that girl there? I can't stop thinking about her, she must be a Cavell.