Green’s Dictionary of Slang

an emphatic intensifier of a person or object, e.g. your actual Rolls Royce.

1966		Took & Feldman Round the Horne 16 Mar. [BBC radio] See this paperback – You have your Elizabeth Taylor done in half-tones, reclining on this chaise longue – that’s your actual French – decollete down to her ankles, with a wanton look all over her eek.
1972		K. Bonfiglioli Don’t Point That Thing at Me (1991) 37: I was an adjutant once, in your actual Guards.
2012		(con. 1980s) I. Welsh Skagboys 254: We gotta keep it together to get yer actual job.
2019		P. Baker Fabulosa 299/1: your actual intensifying phrase, for example, ‘we are your actual homeopathic practioners’.