spanking horse 

A piece of furniture used in bdsm that the sub is strapped to and then spanked

Kate was tied down on their spanking horse and Bob spanked her & spanked her while Kate moaned.

spanking horse by SshhCaty January 15, 2014

Spanking Horses 

A synonym regarding the point at where someone is taking the piss or piss-taking about something. IOW, taking the mick.

Mr Suly, don't you think that Sir Xavier is spanking horses when it comes to how long he takes using the squat rack.

What? Did she cheat on you? Na, that's spanking horses man.

Spanking Horses by Spanking Horses September 6, 2019