peanut gallery is a noun meaning "(figurative) people whose criticisms are regarded as irrelevant or insignificant (resembling uneducated people who throw peanuts on the stage to express displeasure with a performance)". It carries 2 recorded senses.
(figurative) people whose criticisms are regarded as irrelevant or insignificant (resembling uneducated people who throw peanuts on the stage to express displeasure with a performance)
“he ignored complaints from the peanut gallery”
rearmost or uppermost area in the balcony containing the least expensive seats
Definitions, synonyms and semantic relations for peanut gallery come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.