The process of ejaculating and defecating at the same time or as close to the same time as possible, then putting the two together between graham crackers, so that it appears as if a s'more has been made.
The man walked into the bathroom with a Playboy magazine and graham crackers, and walked out with a s'more.
After a particularly messy poop, if the pooper gets any poops on his hand after wiping his ass, he then smears it around his bellybutton then rubs one out, nutting on the poopy area then slapping his shirt into the poop/man batter creating a S'more.
Dude! I took such a wicked poop this morning, it was so gnarly I was able to give myself a sweet S'more!
A sex act between four people that looks similar to a delicious s'more. consists of 2 dirty blond guys named Graham on either side of a larger white girl and a black girl in the middle.
My best friend Yolanda and I totally just s'mored with two guys both named Graham. It was great. I really want to s'more some more!