A trick you perform on a unicycle. There are many variations as to how much you spin, 180, 360, 540, etc.
Person 1: I practiced all summer and I can finally do a unispin!
Person 2: Awesome, what type?
Person 1: 540 unispin, bro!
Person 2: Creds to you!
Originally a vegetable, but later on a pun.
Lettuce have peace in this world!
Lettuce eat dinner now.
Lettuce see what happens...