| birthday suit | n. ความเปล่าเปลือย, ชุดวันเกิด |
| birthday suit | The baby was in his birthday suit. |
| すっぽんぽん | [supponpon] (adj-na, n) utterly stark naked; wearing only one's birthday suit [Add to Longdo] |
| 丸裸 | [まるはだか, maruhadaka] (adj-na, n) nude; utterly stark naked; wearing only one's birthday suit [Add to Longdo] |