James Harbeck created this video to demonstrate various vocalizations that young adults make, to express emotions that are endemic to teens. From an accompanying article at The Week:
The next time you find yourself wondering about the highest use of linguistics, or enduring the insulting grunts and groans of petulant adolescents and wondering how such noises could even be described, bring the two worlds together. Clearly, linguistics exists just so we can give a technical description of those hard-to-spell sounds that erupt from callow youths. Here are seven examples (with three bonus variations).