Definitions by ThatMotherfucker

in the back door 

In the doggy style position, to act like you're going to stick your dick in the pussy but you stick it in the ass instead.

I bent that bitch over, she thought I was going in the pussy and then BOOM, I went in the back door!

in the back door by ThatMotherfucker December 16, 2014

out of fucks 

A phrase used to signify that one has used up all of his or her fucks and has none left to give.

"Hey Dick where should we go get trashed tonight?" -Dale

"Doesn't matter to me, since I'm out of fucks. I used my last one on a math test earlier today." -Dick

out of fucks by ThatMotherFucker October 4, 2013

Radiohead 

To give a blowjob while humming a popular song.

"Yo, dude! Belinda gave me the best radiohead last night!"
"Yeah, what'd she hum?"
"Lady Gaga B)"

Radiohead by thatmotherfucker December 2, 2011