Sllimebomb
Donnie and Shellington are both in there 20's in this! Nothing sexual happens just mild nsfw humor!!
In portal incident Shellington is transported to New York with weird creatures around him. He stumbles into the Mad Dogz and try to help get home. Once he's home they think that's the last of it, but Shellington isn't ready to let them go.
*this is a silly little thing so I don't have a set timeline yet*