Green’s Dictionary of Slang

an intimate caress; one who is know for permitting such physicality.

1963		R.H. Morrieson Scarecrow 81: Want a feel, Neddy?’ said Lynch. ‘Go on. Give old Peachy a feel up’.
1969		‘John Newhouse’ Diary of Gay Casanova 101: [H]is fly was undone, and his companion was busily giving him a good feel-up [Simes:DLSS].
1976		Tuohy & Murphy Plum Trees 135: ‘She was known as a good feel-up. She sat on the table and we took turns sitting beside her and feeling her up’ [Simes:DLSS].
1981		W. Boyd ‘Hardly Ever’ On the Yankee Station (1982) 50: Just feel-ups then. Big bloody deal.
1995		M. Simpson ‘Prufrock Scoused’ Catching Up with Hist. 24: Gettin orl gooey over the thort of a feel up / in the sand dunes.