Chris Brown's bulge has become the talk of the internet ... fans spotted the "massive bulge," as TMZ reported, in Brown's pants in new footage from his show in Toronto, Canada, Saturday.

Chris Brown's bulge had fans talking ... an imprint of a bulge in the crotch area as it pulled on his purple pants. Another video from the same concert seemingly also showed the same imprint ...

First, he wore a beige basketball-inspired outfit with glitter-embellished pants, then changed into blue jeans and a bright yellow basketball shirt, reminiscent of the 16-year-old Chris Brown, who ...