Any in a series of movies starring one of the stable of actors that have appeared previously in a series of comedic films directed, produced, or written by Judd Apatow. These actors include: Seth Rogen, Steve Carell, Jason Segel, Paul Rudd, Jonah Hill, Jay Baruchel, Martin Starr, and Will Ferrell.
I liked She's Out of My League! It was very Apatow-y!