noun
[ U ] a situation in which you do sth bad to sb because they have done the same to you :
the routine tit for tat when countries expel each other's envoys
tit-for-tat assassinations by rival gangs
noun
[ U ] a situation in which you do sth bad to sb because they have done the same to you :
the routine tit for tat when countries expel each other's envoys
tit-for-tat assassinations by rival gangs
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005