A person who engages in
cockblocking, and or the act of swivving.
OR
A wacknigga or a hater with no game who can't
pull hoes of his own so he resorts to cockblocking
or
A sneaky nigga who tries to trick or
swiv on his friends.
The term comes from Dora the Explorer, a little kid show that features Swiper the Fox, who always steals from Dora