The act of inserting ones arm into anothers vagina. Unlike fisting the hand is kept open. The person initiating the bonesaw then thrusts their arm back in forth in a sawing motion. While this is all going on the bonesawer is screaming "BONEEEESAWWWW" as loud as they can. This usually results into the one receiving the bonesaw walking very awkward and in a post-sexual manner. Those who are doing the act of bonesaw or being bonesawed are usually called out in school hallways, assemblies, or public places from those yelling "BONEEESAWWW" very loudly and obnoxiously while bonesawing their own arm up in the arm for all to see.
Guy 1-"I bonesawed the shit out of Peggy last night. I think I tore her to shreds with my arm."

Guy 2-"I'm gonna tell everyone to throw up bonesaw at her and you at school tomorrow"
by cburg17 October 25, 2010
Glen Rock version:

To be dominant in an action, or to be the shit
"Damn, that kid is bonesaw"

by Clel May 05, 2008
An exclamation used typically in two situations:
1. After a tremendous diss. Might replace the word "BURNEDD!!"
2. Immediately following a very impressive or incredible event
guy: hey baby, you wanna get together?
girl: fuck off you sleaze
guy's friend: BONESAWWWWW!!!! (right in guy's face)

*person does a standing backflip*
observer: BONESAW!!! That was the shiznite!
by DancingIsPuppet August 25, 2006
A male doing two chicks at the same time by having a strapon on his ass and is laying between the two chicks.
Bonesaw-
Bryce babababababonesaaawwwwwed those two ugly, fat chicks!
by Mel Ester December 13, 2006
verb. The act of getting or being totally shitfaced.

"dude, we're getting bonesawed tonight!!"

"dude, im SO BONESAWED right now"
by CHITTENDEN February 17, 2008
verb. The act of getting or being totally shitfaced.
"dude, we're getting bonesawed tonight!!"

"dude, im SO BONESAWED right now"
by CHITTENDEN February 16, 2008
an exclamation, suitable for almost any occasion.
-She totally just burned you, man...
-Bonesaw!

This new ice cream flavor totally rocks my socks! Bonesaw!

I can still wear these pants for another week. Bonesaw.
by calenlass May 17, 2005

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