A fork of Rural Dictionary
An agressive way of fucking where the male mounts the female, buries his head into the pillow and goes at it like a 'jackhammer' using long strides with a very fast tempo, turning his head to the side when needing to take a breath, Like an Olympic swimmer.
While I was giving her the jackhammer, you could hear a "slap slap" sound through the entire house.
I give my mrs the jackhammer last night
I only last 2 minuets when performing the jackhammer