牡蠣: oyster; roasted and powdered oyster shell, used in antacids, sedatives, and as a bird feed additive

carving in fine lines

坪井, 壺井, 壷井: a surname

(slang) right up one's alley; in line with one's taste

flathead mullet, Mugil cephalus

(slang) to overcharge

(more polite) Alternative form of おぼっちゃん (obotchan)

(polite) (someone else's) son

(slang) to find something utterly hilarious

Short for 張りぼて (haribote). / Short for 棒手振 (botefuri, “carrying-pole-bearing hawker”). / Short for 腹ぼて (harabote, “big belly”).