I bounce back, in a Boeing I fly high
This onomatopoeia is the sound of T.I. bouncing back like a spring.
And “Boing” is also a play on words with the next line, as it sounds like “Boeing” — the airliner — which of course flies high.
To help improve the meaning of these lyrics, visit "I'll Show You" by T.I. (Ft. Pusha T) Lyrics and leave a comment on the lyrics box