"You Can't Lick Our Dick"(I have the button)
"Don't change Dicks in the middle of a screw" was also pretty good.
My parents had an Impeach the Cox Sacker bumper sticker.Obscure, but amusing.
That's awesome, Kill_Bryan_Ludens; never heard that before, but I'm picturing it, and it just seems great!
I couldn't find it online, but I remember my deeply religious right wing Democrat parents being sooo offended by "Dropping bombs to end War is like fxxcking to end Love" on the back of German made VWs, lol.