This is a portmanteau word meaning a dollop of swill; it refers to maybe-edible substances in institutional food such as entrees served in school cafeterias or military messes. The word is all the more delicious for being said out loud in company, since it contains in its sound the implication 'swallow'. If you're young and hungry, you'll eat it, despite appearances.
Swallop may be subcategorized: processed pork, eg spam, is swine swallop, fish sticks are cod swallop, meat loaf is moo swallop. Reconstituted potatoes or eggs, warm congealed cereal, stew, mystery meat, and other such offerings merely are swallop.
A plate of brown consists of foods that have little to no nutritional value, and are typically deep fried. A true plate of brown will also be accompanied by a dark soda.
When finance content creators rent out fancy cars and flex cash to seem richer than they really are in order to promote and sell their “get rich quick” courses.
The use of the word "blue" to refer to sexually explicit content was first recorded in Scotland in 1824. "Blue" meant "lewd" because prostitutes dressed in blue gowns.