What are offsides in flag football?

Answer 1

The difference is that offense is when your team has the ball and defense is when you want to get the ball or tackle but in your case your going to rip the flag of the other person.

Answer 2

offsides in any football (are you talking about footy or soccer) means that right before the ball is hiked, someone is over the line of scrimage. It is called as a 5 yard penalty.