Here are some nicknames that either i made up my self or saw them from other people.

PoppinCherries -> Cherry Poppins
Coolguy -> Coolgay
Mr.WTF -> Mr.WTFag (actual player)
Vince carter -> Vince Charter (actual player)
Patrik Antonius-> Patronius (actual player)
Il Principe -> Il noobipe
Dew -> Jew (I don't like it due to racistic background)
eddy dipstick -> eddy lipstick
Pins + Tickles -> Pickles (due to his avatar)
cAPSLOCK -> Flexo (due to his avatar)
p33n -> p33ned (i made him a verb after killing 5 people e.g. "they got p33ned")
Kangaroo -> roo
Moneybag911 -> Shitbags911 (actual player, with funny avatar)
Pikkio -> Culone (means lucker in italian, came from vince)
Na mao -> Ga-mao (means in Greek "i fuck")