I need an example of an undesirable euphemism and also an example of basic tact?

Question

What is the difference between the two?

Answer 1

Basically the difference between the 2 is that an undesirable euphemism is a bit offensive and disrespectful whereas tact is saying something honestly but courteously.
Here is an example of each:
Undesirable euphemism (for death): kicked it
Tact (also dealing with death): passed away

Answer 2

A euphemism is the substitution of a mild, indirect, or vague expression for one thought to be offensive, harsh, or blunt e.g.
1) "To pass away" is a euphemism for "to die".
2) "Ground beef" or "hamburger" are euphemisms for ground flesh of a dead cow.

Basis tact is saying something with consideration to avoid giving being rude or offence e.g.
1) "Do you like my new hat?" - rude response might be "No, it's terrible". A tactful response would be "It's not really my style, but it looks great on you".
2) "Would you like to come to the cinema with me?" - rude response might be "No, I hate being in your company". A tactful reply might be "I'm busy right now, but thanks for asking me".

Answer 3

All F****** UP.
In a bit of a bind.