すっぽんぽん
suppon pon

Noun
na-Adjective

1. utterly stark naked; wearing only one's birthday suit

でも、ジェンのいえのベランダにいたヴィンスはじょう半身はんしんはだか。いやー、もしかしたらすっぽんぽんだったかもッ!
demo jenno ieno berandani ita binsuwa jōhanshinhadaka. iyā moshika shitara suppompondattakamo '!
However, Vince, on Jen's house's veranda, was naked from the waist up. He might even have been starkers!
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