Being completely removed from reality. Off your head.
Chaz has been taking those pills again, he's completely baabaa.
1. Another (less known) term for a bogey/greeny. Mucus that has hardened and formed into a horrible green substance, usually flicked into people's faces by immature brats on school buses.
2. A moniker for British TV personality and all round nob head, Keith Chegwin.
I picked a large chegger from my nose and threw it into Molly's mashed potato!
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