bitchin' pigeon
The cooler older brother of "awesome possum". Used when something is truly fantastic or badass in a way that can only be described as "bitchin'". The addition of a rhyming animal in the phrase only accentuates its absolute bitchin'ness.
Hypothetical Hubert: Yesterday I found a cat with five legs.
Imaginary Imogen: Oh man, that's bitchin' pigeon!
Imaginary Imogen: Oh man, that's bitchin' pigeon!