To gain vengeance against aggresive squirrels on Campus...
Feed them some Peanut M&M's.
Once they've tasted the sweet chocolaty peanutty goodness, in the oh-so-easily-penetrated-and-also-tasty candy shell... nuts just won't "do it" for them anymore.
You'll be consigning them to a bleak and pointless existence, never able to regain the joy that was the peanut M&M... doomed to wander, forever unsatisfied by earthly nuts. Trying anything to fill the void within... birds, small children, Anna Nicole Smith.... until one day they die of starvation and hopelessness.