nah , imma do my own ting

A phrase used by a person who has a sense of independence or determination to follow one's own path or preferences but 99% percent of the time he doing it because he wanna look sigma.

At the Soccer Pitch:
Teammate 1: Oi, Pass the ball!
Guy: nah , imma do my own ting
*shoots and misses*
Teammate 1: GET OU-