Sidewalk Sissy
A person who talks shit through the phone, email, or radio but aint shit in person.
Sidewalk Sissy on the phone: "I'll whoop your ass!" Ass Whooper: "Good becaus I'm standing at your door" Sidewalk Sissy (cowering in the house) "oh I aint mean it man, you want a beer?"
By pseduonymisareallylongword