To show annoyance, or to complain loudly about something, often when it is of little importance in reality.
drop in the sea
A very small or insignificant amount; something of little importance.
drop in the ocean
A very small or insignificant amount; something of little importance, …
drop in the pond
drop in the bucket
Something of little importance, especially an inconsequential effort o…
spit in the ocean
little old
Emphatically, affectionately, or humorously little; ordinary or harmle…