Letter K
knocked up
To become pregnant; generally used in a negative sense.
Example
She got knocked up.
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know it all
A person who thinks they know everything; someone who annoys other people by always having the answer to every question.
Example
1) Hey Chris, stop being such a know-it-all and let someone else give their opinion.
Etymology
'Know' refers to what is in your brain, and 'all' is everything, so a know-it-all has everything in his brain -- or at least thinks he does.
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knuckle sandwich
A punch in the face.
Example
1)
If you don't stop bothering me, you're going to get a knuckle sandwich.
2)
Sabah gave Peter a knuckle sandwich when she caught him looking at other girls.
Etymology
A 'sandwich' is an assortment of food between two pieces of bread, and 'knuckles' are the bones in your hand. So a 'knuckle sandwich' is a fist that goes straight toward your mouth
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kooky
Definition
Crazy; mentally unbalanced.
Example
I realized Peter was a little bit kooky when I saw him running naked down the street.
Etymology
Derived from the word 'cuckoo', an old English word for 'crazy', possibly referring to the strange cry of the cuckoo bird.
Synonyms
zany, nutty