Green’s Dictionary of Slang

Hampden roar n.

[rhy. sl = score n.2 (1); ult. Scot. national football stadium, Hampden Park in Glasgow]

(Scot.) the situation, the facts.

[Scot]T. Black Gutted 17: What’s the fucking Hampden roar here?
[Scot](con. 1980s) I. Welsh Skagboys 255: She’s no too fuckin chuffed, bit she kens the Hampden Roar.
[Scot]I. Welsh Decent Ride 213: The next day ah’m rood tae the fuckin hozzy tae find oot the Hampden Roar.