a disagreement - is when you do not have exactly the same opinion as someone else.

to pick a quarrel - is to start an argument with someone.

to insult someone - is to say nasty things to them.

to brawl - is to have a physical fight.

to complain about someone - is to criticise them to another person.

to get fed up with someone - is to have had enough of another person and you will not tolerate them any longer.

a punch up - is an informal word for a fight with fists.

to take the mickey out of someone - is an informal expression which means to make fun of their appearance or behaviour.

to contradict - is to say completely the opposite of someone else.