In most parts of the world a sieve is a perforated instrument used to strain liquids, but at UW hockey games at the Kohl Center a sieve is the away team's goalie. After every Wisconsin goal the student section engages in a chant that likens the goalie to an instrument that lets things through its grasp.
Philadelphia Eagles fans who boo the team when they're not performing well.
Children's street game of bygone days, involving pink Spalding (or "spaldeen") ball and broomstick. Now sadly defunct.
The Hollywood sign has been changed to "Hollyweed" on a few occasions, once in the '70s after legislation that would decriminalize marijuana, as well as for a scene in a movie. Since then marijuana culture has defined LA through the prevalence of medical marijuana. People have tried to profit from the Hollyweed name by selling t-shirts with the silly moniker.
Provel cheese is most commonly found on "St. Louis style" pizza. It is a combination of cheddar, swiss and provolone cheeses. Provel was originally invented in St. Louis in 1947 by Costa Grocery (now known as Roma Grocery on the Hill) and the Hoffman Dairy of Wisconsin. Their goal was to create a cheese that melted, but didn't leave strings when you took a bite.