nag; whine; gripe;
to constantly complain about little things.
The author did not like the carp of the critics but it made her a better writer.
a carp is also a fish.
think of an annoying fish.
The widget now comes in all colors because of the carp from the clients. They did not like black and white.
Enough with the carp!
(c) 2016 E. Carruthers