The condition of matted hair on or around the back of a woman's head, resulting from prolonged love making in the missionary position.
by ColumbiaDesignGuy May 20, 2014

A slang term for the anus. Whereas "into the cuckoo's nest" pertains to vaginal sex with a female, "into the sparrow's nest" pertains to anal sex. In this context, it is often used as a boast, as entering the cuckoo's nest generally requires less effort to achieve. It can also be used to describe a homosexual man, who elects to persue the sparrow's nest on all counts, and has no interest whatsoever in the cuckoo's nest.
"Damn, that girl was dirty. After one night together she let me flip her over and make a beeline straight for the sparrow's nest."
"Jeff? No, he won't want to come out with us to the club tonight. He'll be off out on the other side of town with Percy and Rupert to chase some sparrow's nest."
"Jeff? No, he won't want to come out with us to the club tonight. He'll be off out on the other side of town with Percy and Rupert to chase some sparrow's nest."
by Theodore Jones April 4, 2009

by Childnest_101 May 2, 2018

A heaping pile of clothes on a bed, chair, or most likely on the floor. The clothes may be a mix of folded and unfolded or completely unfolded and potentially inside-out. Stacks of folded clothes do not constitute a thread nest.
Mom: Check that thread nest for the keys again, would you?
Me: Yeah sure, but I didn't even touch those clothes today.
Dad: Hey I found the keys in my pocket.
Me: Yeah sure, but I didn't even touch those clothes today.
Dad: Hey I found the keys in my pocket.
by Dr.ed April 12, 2016

When you have sex with both the parent and their child on separate occasions.
Comes from Russian nesting dolls because the child came out of the parent.
Comes from Russian nesting dolls because the child came out of the parent.
Dude, you're totally russian nesting the Smiths.
Yeah man, I had sex with Stacy on Friday and then Stacy's mom on Saturday.
Yeah man, I had sex with Stacy on Friday and then Stacy's mom on Saturday.
by TheBur April 25, 2017

When a homosexual ejaculates onto or into his partners beard that is at least 3 to 4 inches long, making it resemble a well lived in nest that is covered in bird shit.
by VVvvvvvvvvvvvcvjccRogerjoh June 27, 2017
