Pausing in his tantrum to cram a fistful of salty-sweet exploded kernels into his mouth, Karkat gives those around him the brief gift of silence long enough to overhear...

Sniffling?

So here's a weird alien with a piece of kettlecorn stuck to his cheek, staring at Rin with the most confused of glowers.

Fuck, Karkat realizes, gritting his sharp teeth in mild scandal, He's pitiful.