Derived from the word stupendous, boobendous is when a girl is wearing a lewd shirt that is extra booby
Katya: “Honey do I look phat in this?”
Demetri: “No babe! You look dummy boobendous!”
What you call a girl when they’re wearing lewd booby clothing and look stupendous in it
Katya: “Honey, do I look good in this black v-neck”
Demetri: “Yes babe you look boobendous!”