basically saying when you don't have any money, you're mad and agitated.
Like compare the next bar:
"when you broke, you drove, ha.
When you paid, you got beaucoup places to go, ha!"
Really a double entendre, there. Never noticed it till I typed it out. Amazing.
Contrast another set of classic bars from this classic album:
"Now, say I'm in a room with a bytch, and the ho don' wan' fukk.
Like a man, I'ma beat my meat and get my fukkin' nut! Fa sho!
She gone be drove, then!
And I'ma cut the TV off and go to sleep on that ho, then! "