Mouth pumping 

The act of pumping your ladies, or mans, mouth like a vagina.

Russell was mouth pumping Joanne like he'd just got out after a 10 year stretch.

Mouth pumping by Rusty 69 July 31, 2017

mouth pumpins 

Oral sex where the male does all the work usually pumping his cock at his chosen pace and his chosen depth. Possibly pulling her head by her ears.

Did you get to hook up the mouth pumpins last night?

mouth pumpins by V dux September 6, 2007