Kenning is a double metaphor, usually hyphenated.
truefalse

True, Kenning is a double metaphor that is usually hyphenated.

Explanation:

According to the Merriam Webster dictionary, Kenning is defined as a "metaphorical compound word or phrase that is used especially in Old English or Old Norse poetry". So, kenning can be roughly explained as those two-worded words that are metaphorically used to mean something else. Some examples of kenning are-  

bookworm - someone who reads a lot,

four eyes - someone who wears glasses

fender bender- a car accident

first lady - the wife of the president etc. etc.

"a connection, a bond or common feeling between two people", or as a chemical process it stimulates love or sexual attraction

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year