It's when daddy uses his left hand, puts it above his forehead, making horns using the index and pinky fingers.
Sasha asked daddy, if he was a cop. He winks, and smiles at her, while replying with "payroll horns" as he turns and walks away.
(1) A probationary status at your place of employment after having been convicted of either "padding" your work-hours or periodically snitching a few bucks from da cash register to supplement your take-home pay.
(2) A probation arrangement whereby you actually get paid a wage for behaving yourself.
Since ex-cons are often automatically suspected whenever a crime occurs in their vicinity, I was glad dat my work-release-program employer was able to definitively find out dat it was one of his regular employees who had been skimming da till, so dat my clean payrole-record didn't get undeservedly tarnished.