What are 20 examples of euphemisms?

Here are some examples of euphemisms:

1. "Mentally challenged" instead of mentally retarded.
2. "Unmotivated" instead of lazy.
3. "The R Word" for economic recession.
   
4. "The D Word" for economic depression.
5. "Terminological inexactitude" for a lie.
6. "Shaped" for an internet Provider slowing down an Internet connection's speed.
7. "Slippage" for contracts than can not meet agreed deadlines.
   
8. "Over-run" for contracts that demand more payment than initially agreed on.
9. "Passed away" for dead.
   
10. "Going to the toilet/bathroom/lavatory/water closet" for defecating/excreting/urinating.
11. "Defecated/excreted/urinated" for pissed/shat - (These are euphemisms that use medical terms.)
12. "Collateral damage" for people killed by mistake.
    
13. "Making love" for sexual intercourse.
    
14. "Sexual intercourse" for copulate.
15. "Let go" for fired.
    
16. "Put to sleep," "put down," for euthanized.
17. "Euthanized" for killed.
    
18. "The Scottish Play" for Macbeth.