Green’s Dictionary of Slang

sus. per coll. adj.

also suspercollated
[Lat. suspensus per collum, hanged by the neck; this notation is entered in the prison ledger]

hanged.

[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]G. Andrewes Dict. Sl. and Cant.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[UK]Thackeray Pendennis II 239: That lamentable note of sus. per coll. at the name of the last male of her line.
[US]Matsell Vocabulum.
Thackeray Denis Duval i n.p.: None of us Duvals have been suspercollated to my knowledge [F&H].