You hold your toast shaky, slippin' tryin to break me
Look what you made me do, brains blew
People going at Biggie do not have a firm grip on their gun, which is why Biggie shoots them in the head
“You hold your toast shaky” might be a reference to when 2pac was robbed at Quad Studios in N.Y. Legend has it that 2pac reached for his gun and shot himself in the groin area (in reality Tupac was shot in the groin area by the attackers).
To help improve the meaning of these lyrics, visit "Long Kiss Goodnight" by The Notorious B.I.G. Lyrics and leave a comment on the lyrics box