It is a term used for weed or Marijuana. Mostly in the Caribbean. It is also long for collie.
Brent (noun: also known as Collie Bud) -
a small squid-like mammal with a visor-shaped hair haircut. Often found at home.
"finally de herbs come around" -Collie Bud
"Im squidward, Brents squidward, were ALLL squidward" -Collie Bud