Green’s Dictionary of Slang

sizzle v.

1. (US Und.) to execute in the electric chair [SE hot].

Pensacola News Jrnl (FL) 12 Sept. 1/4: A couple of careless Georgia safecrackers were sizzled in the electric chair.
[UK]K. Mackenzie Living Rough 135: They kept him in the cooler for six months and then sizzles him, put him on the hot stool.
[US]C.B. Davis Rebellion of Leo McGuire (1953) 209: If they sizzled me in the hot seat it would put the fear of God in the hearts of other mad dogs.
Des Moines Trib. (IA) 25 May 1/2: ‘We saw a man sizzled today [...] the man didn’t die instantly’.
[US]Chicago Trib. 30 Oct. section 18 8/3: ‘Sparky,’ a character that looks uncannily like the Cryptkeeper [...] gets periodically sizzled in an electric chair.

2. (US drugs) to be exceptionally prone to arrest, esp. when holding drugs or acting in an outrageous manner [hot adj. (5a)].

[US]A.J. Pollock Und. Speaks n.p.: Sizzling, in imminent danger of arrest or raid.
[US]R.R. Lingeman Drugs from A to Z (1970).
[US]C. Major Juba to Jive.

In compounds

sizzle seat (n.) (also sizzle sofa)

(US prison) the electric chair.

Fort Lauderdale News (FL) 5 Dec. 1/4: [headline] Bruno May Still Escape Sizzle Seat.
J. Archibald ‘Jail, Jail, the Gang’s All Here’ in 10 Detectives Aces Apr. 🌐 Will you wear a posy when you sit in the sizzle sofa, Rosy?
Tampa trib. (FL) 5 Dec. 8/6: [cartoon caption] ‘Hard to forget I was waitin’ to keep a date with th’ sizzle seat’.
[Can]Ottowa Jrnl (Ontario) 4 July 49/7: [cartoon caption] ‘et’s go, baby — unless you want to end up in the sizzle seat’.
[US]Bentley & Corbett Prison Sl. 105: Sizzle Seat An electric chair.