This guy was definitely not cool as a cucumber.

A Pennsylvania man was arrested this week after he flew into a rage inside a Wendy’s restaurant, claiming there were not enough cucumbers in his salad, according to a report.

“If I had a gun or knife you would be the first to go,” Theodore Gunderson Jr., 58, of Lansdale allegedly barked at a Wendy’s employee after he tossed his salad at the worker, Fox 43 reported, citing an affidavit.

The victim, who works at the fast-food chain located in Lancaster County, then called police saying he feared for his life during the Sunday incident.

When cops arrived on the scene, Gunderson was already inside his car and refused to roll down his window or step out of the car, police said, according to the news outlet.

After the officers persuaded the man to roll down the window, he was told he was under arrest.

Gunderson — who then put his keys in the ignition, prompting an officer to reach his hand inside the car — drove off with the cop’s arm still inside, authorities said, according to the report.

The suspect’s getaway attempt was eventually thwarted and he was taken into custody on charges of aggravated assault, terroristic threats, resisting arrest, and disorderly conduct.