The story
Borrowed from Japanese スーパーデフォルメ (sūpādeforume), from スーパー (sūpā, “super-”) + デフォルメ (deforume, “stylistic distortion”).
Etymology from Wiktionary, CC BY-SA 4.0.
super deformed
Today it means: In Japanese caricature, drawn in an exaggerated way, typically small and chubby, with stubby limbs and oversized heads. Full definition →