What is Jim Dandy?
1.
said sarcastically when something bad happens.
Bob: I got a 54 on my math test. Fuckin JIM DANDY, huh?
See
2.
when you are giving a girl anal sex or doggy style and you take it out and make them suck it and then put it back into their butt or doggy style and then cum in their butt or vag.
made famous at WSU (Washington State University) named after an ice cream cone at a favorite local resturant.
"Dude I gave Kristen the Jim Dandy last night, it was nuts."
"God you are such a pimp."
See