"Man, Big Boi's rhymes are tight!"
"Yeah, and he spits even faster than Twista!"
See Big Boi for more info...
A person who is of large size. This person would have to be taller then the average person and Weigh more then the average person. A bigboi is cool and popular amoung a vast amount of people. This qualifies as a "bigboi".
Yo! Manny, you are a bigboi!