A fork of Rural Dictionary
An Erectum is when the man inserts his penis into his partner's ass before it is erect, and then it becomes erect while sitting inside of their partner's ass.
"Did you hook up with that chick last night?"
"Yeah, we had an Erectum."
"...the fuck is an Erectum...?"
When you have to poop so badly that your rectum feels hard. It is often harder to get all the poop out when you go since it is dense and very hard.
"I need to poop so bad. I have an erectum."
this word is pretty self explanitory
what the hell is an erectum?
Sexual arousal sensations Like Erection, only with your Rectum.
OMG I have the hardest erectum, my ass is just asking for it.