Yeah this thread's been done a couple of times before, but its still funny. So of course I have a few:
"Don't worry, I saw this in a cartoon once but I'm pretty sure I can do it"
"Does this look infected?"
"You're on my oxygen tu-"
"I can't remember, did he say this thing was loade-"
"Trust me, this will work"
"What's that smell?"
"Buckle up, I wanna try something"
"Hey, Mike Tyson! YOU'RE A PUS-"
"Don't listen to The Rogue Wolf, that's movie bullshit, you always cut the yellow wi-"
"Naw man, 'Best Before' dates are just a suggestion"