When you pull out and cum on the outside of her pussy and throw a handful of granola so it sticks.
Nancy said her favorite food was oat meal, so I nutted on her and gave her a Crunchy Nut Fish Cake.
When a male is having sexual intercourse with someone and he passes a kidney stone while ejaculating.
Friend: How'd it go last night with that girl?
Me: I gave that girl a crunchy nut!
A serious medical condition where your sperm is so expired, when you sit down it sounds like you're sitting on a bag of chips aka "crunchy nut" syndrome
"Yo who's got a bag of Doritos?"
"Nah bro didn't your hear? Tommy's got that Crunchy Nut Syndrome"