stickum

[stik-uh m]

noun Informal.

Origin of stickum

1905–10; stick² + -um (spelling variant of 'em)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Could be pure accident—some chemical in the stickum spoiled.
The Plague
Teddy Keller
Harry Donnelle said they melted the stickum with gasoline and that it didn't hurt the leopard much.
Roy Blakely, Pathfinder
Percy Keese Fitzhugh

"glue, paste," 1909, from stick (v.).