puddle sniffer

Puddle sniffer is a word commonly used in the military. It refers to a soldier doing pushups, for an extended period of time

(Drill sergeant - drop to the ground and push you puddle sniffer)

Puddle Sniffer

A really stupid person. Equivalent to a window licker or a paint chip eater.

My coworker has been working with me for 8 months, and still hasn't caught on to how things work. He's such a puddle Sniffer!