dirty dumpster
The process of multiple men ejaculating on the out side of a female Sphincter hole. The alpha male then drives all the ejaculated sundtance into the females sphincter. Like compacting the trashcan. After all the waste has been compacted, you then dump the trash by the female defecating.
"Hey Brittany, are you tired of normal, boring sex?"
"Yes"
"Well good because I got a group of buddies here that want to give you a dirty dumpster"
"Yes"
"Well good because I got a group of buddies here that want to give you a dirty dumpster"