look up any word, like tribbing:
 
1.
To spend a long time sitting on the toilet.
Marcus likes to eat Mexican food and then roost in the upstairs bathroom for an hour or two.
by RunningFool May 15, 2006
 
2.
to sit on the toilet for an extended amount of time
That roost was so long that I read two more chapters out of this book.
by T&A May 12, 2006
 
3.
Draws from the avian form of roosting. You just lay down as if to take a nap but don't actually sleep. You just lay there to either rest up or to collect your thoughts.
Douglass: "Yo my playah-pimp Abdulai, what have you been doing for the past two hours"
Abdulai: "Oh man I've just been roosting on my roosting-accessible bed"
Douglass:"Why didn't you tell me you were gonna roost!"
by The Guido October 01, 2006
 
4.
n.The act of sexual intercourse. v.To have sex.
Tonight, I'm gonna sling a roost.
by tek-zer0 August 07, 2010
 
5.
To have sex, or to be in the process of procuring the sex.
My neighbour came to yell at me for being too loud, but I just said I'd quit being loud when he quit roostin' broads at 4 am to shitty techno.
by dunner January 02, 2006
 
6.
Verb. To smoke any substance, usually marijuana.

The word is commonly used when smoking bongs.
Roost a p, broo.
by smokeweederrday February 28, 2011
 
7.
To inject mass amounts of liquids into your body,mainly alcohol,for the reason that no single person can logically explain
hello rodney would you like to go to murdocks house and roost a few?
by deadeddie November 02, 2006