succinctinicity

The ability to say something so well, with so few words, that nothing else can be said on the subject.

The succinctinicity of his response has made me understand how to make a boat out of toothpicks.

Cracker sweat

n. the trail of crumbs fat people tend to leave behind, even if they are not eating.

Person 1: Why are all these crumbs all over my bed?
Person 2: Oh, I'm sorry, that's just my cracker sweat.
Person 1: But we've never eaten in this bed, it's new!
Person 2: Yeah. I know. Cracker sweat, what can ya do?