So, the Hog Rider is waiting at the light, and a Beemer pulls up next to him.
The Beemer driver calls out: "Hey, you know what's the difference between Hoover and Harley?"
The Hog Rider is silent.
"With a Hoover, the dirt bag is on the inside. Haw haw haw!"
The Hog Rider shouts back: "Yeah? And you know what the difference is between a Beemer and a pineapple?"
The Beemer driver is silent.
"With a pineapple, the pricks are on the outside"
And he roars off.
At which point, the Hog Rider is pulled over by a cop on a Kawasaki, who gives him a ticket for running the light, no helmet, no registration, no insurance, no motorcycle license and disturbing the peace with his straight pipes.
You left that part of the joke out. :D
*rimshot*
Oh no, you made me remember many a joke I shan’t repeat here ;)