Green’s Dictionary of Slang

brekkie n.

also brekky, brek

1. breakfast.

[Ire]Joyce Ulysses 337: And then, when they settled down in a nice snug and cosy little home, every morning they would both have brekky, simple but perfectly served.
[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 68: I don’t feel like brekkie.
[Aus]T. Winton That Eye, The Sky 70: Why don’t you and me go over after brekky.
[UK]K. Sampson Powder 111: [I] had a bit of a kip then went for a sauna an’ a bite of brekkie with Sandy.
[Ire]P. Howard Curious Incident of the Dog in the Nightdress 15: Brekky for me is basically a jar of, like, jelly beans.
[Aus]P. Temple Truth 214: Wannt some brkkie? Got eggs from down the road.
[UK]J. Joso Soothing Music for Stray Cats 188: I figured I might ‘broach’ the subject over brekkie.
[Scot]T. Black Gutted 105: Poor buggers — bet they never even get a break for a bit of breckie.
[Aus]me-stepmums-too-fuckin-hot-mate at 🌐 Brekkie’s up, you slack cunt.
[Scot]I. Welsh Decent Ride 134: Nane ay thum ken aboot the square sausage. Git fuckin genned up, ah’d say tae them landladies servin the brekkies at they B&Bs, the square fuckin sausage!

2. (UK prison) breakfast as the last meal before release from prison.

[UK]J. Morton Lowspeak 30: Brek – the last meal for a prisoner before his release [...] ‘Only four-three-two and a brek to go.’.