What is Brown Grid?
1.
When somebody (usually a child) shits in a swimming pool and the poo gets stuck in the overflow-gratings.
Lifeguard (during and announcement): "... and please watch out for the poo in the gratings, we stil haven't managed to wash it out yet... sorry! Just look out for the brown grids!..."
See
Random Words:
1.
muffmangler is when you nail a chick SO hard it fucks her muff up (mangled)
person1:
dude, i was banging this chick so hard last night..