In fact, the couch was there, but he was pretty sure that Dean may have ran into Mac before hitting the couch, because the landing wasn't a pretty as he'd hoped it be (and he heard Mac yelp). Seamus hit the couch, but almost hit his head off the floor at the same time.
He didn't care though, cause he was laughing too hard when it happened. Mac jumped over the couch and next to Seamus and started licking his face excitedly. "Aye, puppy stop...stop..."
After somehow pushing Mac away, he contorted himself so he was kneeling on the cushions, facing the back of the couch and where Dean was standing. "Hi!"