wanker
🇺🇸
/ˈwæŋkər/
🇬🇧
/ˈwæŋkə(r)/
A person, usually a man, who is considered foolish or annoying.
I can't believe that wanker cut me off in traffic.
あのクソ野郎が交通で私を割り込んだなんて信じられない。