Best definition
Lacking enthusiasm and determination in such a way that leads to truly worthless, rubbish results

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.
Wackadaisical: define #2
The opposite of lackadaisical.
Yo, that shot was Wackadaisical!

Dude, you are so Wackadaisical!