In the US, "cringe" is an informal verb that refers to the feeling of embarrassment, discomfort or awkwardness that someone might experience when watching or participating in something that is considered socially awkward, embarrassing or uncomfortable. It can also be used as a noun to refer to something that causes that feeling.
For 4th-5th grade Chorus class, I found it useful to do 2-part pieces that lean toward having a certified "Bass" part. In other words, rather than being built exclusively following 3rds under the Soprano melody, the Part 2 dances between the Tonic and Dominant with a lot of contrary motion more akin to how the lowest choral part in the Bass Clef is written. I even tell the boys that this is a Bass part. That usually secures their interest in singing it. (We sometimes take a vote as to whether we will even allow any "alto" girl voices to sing it, too.)
Once we establish that singing that part is cool, we don't have nearly the attitude issues with it being "cringe."
An example of this is "Jingle Bells" for 2-Part Children's Chorus.