Top definition
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?"
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2
look at that sidewalk sissy standing there
by bo April 19, 2003
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3
a term used to demean fellow truck drivers or a way to call them a fag
swift get the fuck over you sidewalk sissy
by james 37601 January 02, 2009
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4
One who participates in homosexual activities and attempts to hide it .
"John stop grabbing my butt in the locker room you sidewalk sissy"
by Big G from the G March 23, 2017
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