Answer to the Question-

Bash: Do what I do, say I'll take something of theirs if they don't stop bothering you. I do it with Kaboom all the time. 

Sarah Slime: Please don't, he's a bad example. 

Dare/Challenge for Everyone 

All the Party Crashers grabs a  balloon and suck the helium out of the balloons.

Bash: *high voice* This will be easy peasy.

Slamm-oh: *high voice* Yeah it will. 

Pow: *Tries not to laugh*

Archer Pastry: *Also Tries not to laugh.*

Peter: *accidentally giggles*

Pow: *high voice* ahahaha Peters out! 

Archer Pastry: *high voice* So are you... you laughed to gloat! 

Pow: *high voice* Aw Mammoth crap. 

Smack: *high voice* *ends up bursting out of laughter* I can't take it anymore! your guy's voices sound like chipmunk critters or something bahahaha.

Slamm-oh: *ends up laughing as a result of what smack said*

Bash: *high voice* so it's just me and Kaboom left.

Archer Pastry: *high voice* *tries not to laugh again* Yeah... 

Bash: *gets a feather out*

Archer Pastry: *high voice* hey you better not! that's cheating!

Bash:*high voice* I will, and who said feathers weren't allowed? 

Archer Pastry: *runs from Bash as he chases him with the feather*

Bash: *Chases after him*

Archer Pastry: *trips and falls*

Bash: *high voice*  ahahaha I got you now!

The Helium wheres off. 

Archer Pastry: *smirks* you laughed!

Bash: Mammoth Crap!

So I guess Archer wins the challenge then?