UNDERSHORTS Meaning of UNDERSHORTS in English un ‧ der ‧ shorts /ˈʌndəʃɔːts $ ˈʌndərʃɔːrts/ BrE AmE noun [plural] ↑ underpants for men or boys Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012