There's incompetent, and there's lazy, but this load of nonsense is truly fucking wackadaisical. Your inability to muster more than a single productive fuck has literally rendered everything you've been involved with into a heaping pile of shit.
A word usually used by one's band director to complain about a band's sound and attitude during a rehearsal. Usually used as one of the only big words the director can use.
That was a really lackadaisical attitude! Do not perform so lackadaisical! Dude lackadaisical is in our SAT test!