Any annoying individual may be referred to as a fuckalope however the term is usually used while driving. Dealing with an individual who is driving slow on the interstate, stopping at yeild signs, or slowing down for pedestrians is likely to provoke the use of this fine word.
The twin brother of the fictional cowboy hero, Hopalong Cassidy, created in the 1930s, who was also famous for his good deeds and who became the first X-rated porn cowboy and was therefore the black sheep of their fictional family.
Fuckalong Cassidy also had a wooden leg like his brother but it did not preclude him from extended and impressive sexual performances with the barely clad damsels in distress he was fond of rescuing.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.