a cheap low budget phone, usually not up to date, usually used for drug dealing and other illegal activities or can used as backup phones if your expensive one breaks. they usually are prepaid. But for the most part they are ugly and cheap.
"Yea I Jus Bought Me A New 4G Blackberry U Needa Stop Playin Games And Get Rid Of dat Trapphone It Aint Worth A Dime N Itz A Wack Azz Jack Bro Nobody Uses Dat" J Said. "I Dont Care Dawg Because U Kno I Be Trappin Anyway So I Need A Trapphone, screw a smart phone." Duce Replied.