Japanese insults are never as simple as the ones in US English. Its usually expressions rather than words alone.
But the best languages for swearing are probably the latin languages such as French Spanish and Italian. They have all very colorful expressions and a high variety of ways to express them. English and American English are extremely limited in comparison.
But the best languages for swearing are probably the latin languages such as French Spanish and Italian. They have all very colorful expressions and a high variety of ways to express them. English and American English are extremely limited in comparison.