When your brain becomes a goblin when it's gets stimulated buy the good loot/lore or renting out your head rent free but it's a goblin .
Hey dude this game had my Goblin Brain freaking out
For the fish named people whos brain acts like a goldish when it comes to memory or general listening.
Brodie you got that fish brain going on right now
It is a peice of hose stolen from your neighbours for the use as a bong/water piper stem
Hey dude I have to grab some Gazza before we start.
you are a fucking idiot bruh
can be interchanged with fuckhead
stop acting like a dingbat you fuckhead