noun
idiot bicyclist; scummy cyclist
Derogatory slang combining チャリ (bicycle) and カス (scum, trash). Used to insult cyclists who ride dangerously or inconsiderately.
歩道を爆走するチャリカスに腹が立つ。
I get angry at idiot bicyclists who speed along the sidewalk.
あのチャリカス、信号無視して危ないな。
That scummy cyclist just ran a red light—so dangerous.