Name something that will make a scary noise in the basement

The kids.

Hey DreamadeSawine, I rename a AC unit.

The sound of somebody jerking off listening to clown porn and whistles in the background

Uh, my dog. Um, children. The children that I have in my basement. Um, good answer. I don't know what else to say. Oh wait, wait, wait, wait, wait. I gotta sneeze. Shit. That was completely unnecessary, but yeah.

Bill Collage, he's be like, NO!

I say why ain't here down the base of me? You might hear a ***** down there trying to come from outside He was like, freeze, motherfucker.

I am from the house and I think she's great stuff going to I'm going on down there and put it on Whitson shit like chains and all that crap but then you go down there and just say like Freddie Krueger just chilling there roughly Jason what the fuck is going on down here and then you just quickly just quickly they taken back step up the stairs and then slowly walk back up and be like never go back down there again and then I was the end of story

Somebody duct tape and bound up, duh.

The scary monster in the basement

I would have to say the neighbor getting chopped into little pieces would probably make a really scary sound in the basement.