(Noun) To anally fist a woman with one's thumb extended fully up, as if hitchhiking.*
*(The main difference between this and other 'definitions' of this term is that with a true 'Hitchhiker' the fist and upright thumb must be fully inserted. This is not a 'Shocker'.)
'Goddamn, dude, are you going to give me a hitchhiker or what? I can't get off on your weak-ass shockers.'
Buttfucking Snoopy on top of your own house while your wife is inside fucking Woodstock. See also The Poopy Snoopy.
I was sorta jealous of my wife sleeping with Woodstock, but I was giving giving Snoopy the old Snoopy Poopy, so it's cool.
Buttfucking a woman bent over a doghouse in which you've stuck another man's baby for the time being.
I gave her a Poopy Snoopy last night. Her kid wouldn't shut up.