bionic, adj. — Green’s Dictionary of Slang

bionic adj.

[SE bionic, ‘having or being an artificial, esp. electromechanical, device that replaces part of the body; having ordinary human capabilities increased (as if) by the aid of such devices’ (OED); coined 1963 but popularized by the 1970s TV series Six-Million Dollar Man, starring actor Lee Majors]

1. exceptional, outstandingly gifted.

1976		Guardian 2 Dec. 10/6: Among the splendid women in the cast, Prunella Gee stands out [...] as a bionic Julie Christie who proves to be the unprincipled Eternal Female Principle .
1984		Wash. Post 2 May D1/6: After two hours, the woman who is frequently described as ‘unflappable’ and ‘bionic’ did the appropriate thing. She sat down and cried .

2. extreme, beyond the limit.

1999		(con. 1979–80) A. Wheatle Brixton Rock (2004) 147: My mudder put a lock on the phone ’cos the last bill we got, went bionic.
2001		(con. 1981) A. Wheatle East of Acre Lane 239: Biscuit’s temper gonna go bionic.