Most Helpful Guy
Irony is used to convey, usually, the opposite meaning of the actual things you say, but its purpose is not intended to hurt the other person. Sarcasm, while still keeping the "characteristic" that you mean the opposite of what you say, unlike irony it is used to hurt the other person.
- Google search.1
Most Helpful Girl
Sarcasm - Can be seen as rude or funny. It is one someone says something that is opposite of what they mean.
Situation: It is a rainy day outside.
Person says: We have such thing weather today!
Situation 2: A room is cold due to the air conditioner that is on.
Person says: It sure is warm in here!
These are responses of sarcasm.
Irony describes an unexpected action or result that occurs
Example - I make fun of someone that steps in to a mud puddle only to step in one moments later too.
Example 2 - I dreamt about this man that I hadn't seen in years, only to bump into him today.1