Climb a tree and act like a nut.
The Cowboys Stadium. Because they can't catch anything there.
A baked potato
I'd best be leafing.
Because it was dead.
You bust a nut
Both can climb trees, except the piano
Because whenever one of them climbs to the top, the others drag it back down.
Because they are both surrounded by nuts.
It died.
BBQ sauce
A Juan-a-be