To work exceedingly hard on or for something that probably wasn't worth the fucks given.
Seriously Joe? I bust my ass on this stupid chocolate mousse, and then you tell me you're allergic to cocoa? Go suck a dick Joe, suck a fucking dick.
A person that would seem like they would be great in bed, only to disappoint when the time comes by laying around and being utterly inactive.
Kate: So Rachel, how was Jimmy last night?
Rachel: Oh don't even get me started on that dead moose.