When the color of the license plates start to change.
Cloning.
They start tipping balls.
A Dell rolling in the deep.
Pssshh, they're not falling for that one again.
Lulz!!! etc etc etc
No one knows - every time they pick one up, they end up giving it away.
Try picking it up. If you can't it's either a monster or a giant banana.
Damn! (This is my go-to joke that someone told me in highschool like 7 years ago. Felt like sharing it.)
Huehuehuehuehuehuehuehue
Me: a dragon! Santa: noo, be realistic Me: a girlfriend Santa: * cough * what color do you want your girlfriend
Crocs
Build a house next to it.
Ewe haul.