Slickem

Turkington's bright mop of red hair had plainly never known slickem.

Source: wiktionary

Well, old-timer, you begin to look to me like a guy who's left waiting at the church. Frock coat, white carnation, slickem on your curly locks, everything on hand but a bride.

Source: wiktionary

...his black hair plastered down on both sides with slickem, and his natty siders halfway down his cheeks in the most approved shiek style.

Source: wiktionary

Now one of the most engrossing questions in the politics of the State arises from the filling of the rivers and the destruction of the agricultural lands by the debris from these hydraulic mines. A dam on the Feather River, near Marysville, was authorized by the Legislature, and after the expenditure of half a million dollars its success is questioned, and "slickem" continues to muddy at least the political waters.

Source: wiktionary