lazybump
noun
The psychological obstacle that leads one to overestimate the effort of a particular action and thereby incorrectly judge it as not worth doing - until the action is begun, at which point it is clearly worth doing.
Often induced by chorn.
Yeah, that party sounds really fun, but I’m very comfortable on this couch and and I don’t feel like dressing up. It’s not gonna be easy to get over this lazybump.