1960 (ref. to c.1900) oral testimony in Lighter HDAS I 113/1: ‘You’re getting a regular beanie.’ It’s short for bean belly.at beanbelly, n.2
1971 in Lighter HDAS I 445/2: ‘A cockblocker is someone who tries to get between you and your girlfriend. He tries to take her away’.at cock block, v.
1972 oral testimony q. in Lighter HDAS I (1994) 310/2: They probably sent those records out to Bumfuck, Egypt.at Bumfuck, Egypt, n.