You can spank me like that if that would help your boner. If you still have a boner after spanking me until I cry (and then some more) I'll suck you off until you cum in my mouth.
That was a lovely trigger for me. Exactly how my father would do it, except that I had to be naked. The beating however was vicious and unrelenting. I remember screaming, begging him to stop. Mother would always be standing , watching. After he finished they would both disappear into their bedroom. It took me a long time to work out why.