Green’s Dictionary of Slang

sleaze v.

1. to move in a repellent or seedy manner.

[UK]Punch 30 Dec. 986/2: Other plays, sleazing across the West End boards.
[UK]Jagger & Richard ‘Sad, Sad, Sad’ [lyrics] And fools aren’t gonna follow / You don’t need to sleaze about.

2. (US) to acquire in a underhand manner.

[US](con. 1968) Bunch & Cole Reckoning for Kings (1989) 413: He figured Diaz for a wetback; asshole probably joined the fucking Army so he could sleaze a citizenship.