YibbleGuy:
Maybe it's the sound of every scientist in the world simultaneously screaming, when they see a comic book teaching our children that mercury is attracted by magnets.

Dante83:
"Oh wait, we're already outside. I keep mixing those two up."

Diana Luna:
Dr.Who got veneers!

Gray Zombie:
Oh, I didn't bring my bag of marbles, Grandfather. But I did bring the sack of potatoes.
"Shit. You Cappers are never going to let me live that down are you?"

Indomitus:
"Sorry, grandfather. I ate them."

TheDiva:
"Sorry, grandfather. I lost them."

Gray Zombie:
Sorry, Grandfather, Mevin took them

Dante83:
*smacks John in head with bag of marbles*
"Yep, they get the job done."

Mattteus:
Marbles are legal tender here, I'm going to find me a prostitute and pop a wheelie

Sidesk:
It beats dropping a missile on their heads, though.

Mattteus:
The same thing works on creatures with legs

Dante83:
Grandpa teaches the kids to exploit the weaknesses of others in any possible way. And if they fall down too, that's just a bonus.

GlitterRock:
*Doctor grabs Johnny's foot, trips him*

Indomitus:
Pick a cardium, any cardium.

Mattteus:
hey! HEY HEY HEY HEY HEY!!!!!

the Go-Rays - who have no feet - have contamination suits that do???

Dante83:
"I'm glad you feel pretty, John. Will you hurry up."

echostation:
"But these are the 'Word To Your Mother' go-rays!"

Dante83:
Old people are always cold, he'll be fine.

RodRocket:
GIVE THEM AN INCH AND THEY'LL TAKE A FOOT!

Dante83:
The foot alarm. Truly this is a race far ahead of us.

OZOO:
*Inserts tube into John's mouth, starts pumping poisonous mercury*