( informal ) used to show that you think what sb has just said is impossible or stupid :
'Will your dad lend you the money?' 'Don't make me laugh!'
( informal ) used to show that you think what sb has just said is impossible or stupid :
'Will your dad lend you the money?' 'Don't make me laugh!'
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005