1. [early 19C+] (orig. boxing, also top-loft) the head.
2. [late 19C] the vagina.
1. (also have toys in the attic) to be eccentric, to be insane, to be simple, childlike.
2. to be drunk.
see loose in the bean under bean n.1
[1950s+] (US black) hair in need of dressing.