1. Inadiquit in every way, for the most part, a useless piece of sheetmetal.
2. A sex act where an african american male spreads his nut sack as far as he can, forming a wing. He then runs around flaping this wing and making bird like screeches.
"did you see that blackhawk? its pretty much a useless piece of garbage!!"
"My old lady wanted to spice up our love life, so i ran out of the bathroom and suprised her with the blackhawk!!"