To criticize, to denigrate, to denounce, to disparage.
To litter.
Exceedingly bad; awful.
Used to express that what was recently said is nonsense or untrue; balderdash!, nonsense!
Used to express that something is exceedingly bad, awful, or terrible.
Nonsense.
Refuse, waste, garbage, junk, trash.
An item, or items, of low quality.
Requiring special abilities or training.
Having or showing skill; skillful.