Now That's a Bad Sign

.A man was driving to work when a truck ran a stop sign, hit his car broadside, and knocked him out cold.

Passersby pulled him from the wreckage and revived him.

He began a terrific struggle and had to be tranquilized by the medics.

Later, when he had calmed down, they asked him why he had struggled so.

He said, a bit sheepishly, "I remember the impact, then nothing.

I woke up on a concrete slab in front of this huge, flashing sign.

Turns out somebody was standing in front of the 'S' on the 'Shell' sign.