Untranslatable Emotions

BBC: "The 'untranslatable' emotions you never knew you had.

A couple of favorites:

Desbundar (Portuguese) – to shed one’s inhibitions in having fun

Gigil (Tagalog) – the irresistible urge to pinch or squeeze someone because they are loved or cherished

Natsukashii (Japanese) – a nostalgic longing for the past, with happiness for the fond memory, yet sadness that it is no longer