Who is ROFL this good for ROFL
A lucky "situation" has come!
A godly anchor has arrived! ROFLCOPTER
Sniff inside the pants Celloli-tan is wearing.
Ok
She's... turning the switch off...!?
Destroy her illusion!!!
Stop it!!!!!
Short for kasoku (accelerate), it means the poster just wants help get the thread to get to some number of comments (in this case 650) sooner, and so is making an otherwise content-less comment.
Anchor
*grab*
Ugh...
*thud*