Wonton endangerment.
Compound interest
Student: "So we know when to start Christmas shopping!"
A solar panel.
They have a huge clock right in the middle of the town.
888 MSG
Chinko De Mayo
Professor: When I reached up to close it after the rain had stopped.
Son says: "umm... With my eyes closed " Edit: This actually happened btw. Probably funnier irl.
Wonton
Wonton soup!