tighten your belt Meaning If you tighten your belt, you try to spend less money. For example Ill have to tighten my belt for a while so I can pay off my debts. Pablo says his family have had to tighten their belts because everything costs much more now. ━━━━━━━━━━━━━ #Idiom_of_the_Day @EnglishoftheDay 1.1K views19:39