Why did you go on urban dictionary to find this ok fine i will talk about it.
Cum is when you fucking pee in someones ass and juice comes out!
What everyone makes every night
Son: Hey dad want to make some cum
Dad: Sure son let's do it really fast!!!
the chefs special ingredient when someone sends the food back to him because its shit
Customer: this tastes like shit, waitress could u please ask the chef for another one?
Waitress: no problem
*in the Kitchen*
Waitress: the customer said your food tastes like ass
Chef: Oh okay, ill top it up with a bit of cum