[1960s+] an older person, a socially unacceptable person.
Brandname in slang uses
1. [1960s+] a foolish, scatterbrained person; occas. of an animal.
2. [1980s+] a drug user [jelly n.1 (7)/jelly bean n. (5)].
[1960s+] stupid, foolish.
[1970s+] (US campus) an imaginary gathering or club of all those students considered beyond the social pale of their peers on campus.
[1960s+] a nervous person.