"Sophomoric humor" refers to jokes or behavior that is silly, immature, and lacks wit or intelligence. It usually refers to things that might make teenagers or young people laugh, but are considered not very clever or sophisticated. Full definition
STANFORD»S BAND The musical kings of sophomoric humor have been banned from performing on the field at the next three Stanford - Notre Dame games after their Oct. 4 exhibition, in which, amid other bits of very low comedy, they parodied the Irish potato famine. (si.com)
The screenplay (written by Carrie Evans, Emi Mochizuki, and director Christopher Landon) is an exercise in sophomoric humor and a gleeful approach to violence, blood, and gore. (markreviewsmovies.com)
It turns out that the permanently smirking comic book deconstruction full of poop jokes and other sophomoric humor, however, wasn't the right fit for the slightly higher - browed Oscar crowd after all. (rollingstone.com)