When you're eating out a person of the same sex, missionary style.... Making it look like a stapler, stapling paper.
Taylor: Matt stapling is not a thing... Matt: Well it is now. did you see that chick stapling her partner?
By Scissoring is a thing
Similar to 2 women scissoring. 2 men pegging each other simultaneously
I just walked in on men stapling each other at a truck stop
By Batbida
The male equivalent to scissoring when two males simultaneously are inserting their penises into each others anus.
Bro I was so drunk last night that Chad and I ended up stapling eachother.
By THE Stapler-er
Stapling is the act of using a stapler to staple your urethra shut and to piss, cum and possibly blood to seep out of your stapled shut urethra
Hey man wanna come over and do some stapling after school Ew no what the fuck
By Therealgoonin