Drake's beef with NBA player Kendrick Perkins went from 0 to 100 real quick ... the two shouted at each other during the Raptors vs. Cavs game -- with Drake reportedly calling him a "f***ing p*ssy."
The two started exchanging words at halftime ... with things getting so heated one of the Cavs players was holding Drake back.
Things continued after the game when Drake shouted to Perkins that he's a "f*cking p*ssy" and challenged him to come out of the tunnel, according to the Toronto Star's Bruce Arthur.
Drake and Kendrick Perkins exchanged more words postgame pic.