Linguistics of adolescent phonetics
If you don’t get it, then I just have one thing to say and it’s: “A voiced alveolar stop and breathy-voiced low-back unrounded vowel, with advanced tongue root” – duuuuh…
(That latter words is described by James Harbeck in his accompanying article as aiming to sound as stupid as possible. Of course, the stupidity being communicated is not that of the articulator but of you, dear listener, or did you not get that either? Meh.)