"You look like I could use a drink".
"If Harley made airplanes would YOU ride in one"? (With pic of a DC-3 with HD engines on the wings with chain driven props)
And, on the bag of my old C10: "Silly yuppie...trailers are for BOATS".
Read this on a motorcycle forum recently:
Heated gear - best invention since the woman!
Bumper Sticker on the back of a Jeep ....
"If I wanted a Hummer, I would have asked your sister"