n. Anyone who is acting like a douchebag (or is being a major douchebag) at a time that is bad for either the douchebag or anyone around said douchebag.
Person 1: Joe was acting like such a prick to his girlfriend while his mom was right behing him.
Person 2: What an inconvenient douchebag.
Person 1: Do you wanna know how much of a faggot you are?
Person 2: Dude, stop, my girlfriend's here. You're being an inconvenient douchebag.
someone who requests favours or makes demands that inconveniences someone else
barney expects me to pick him up from work at 3.30am even though I'll be asleep, he's such an inconvenient douchebag