口さがない

くちさがない

gossipy; abusive; critical; jabbering

口がうまい

くちがうまい

honeymouthed, glib, fair-spoken, cajoling, talking glibly

口が曲がる

くちがまがる

to incur the wrath of god (e.g. by speaking ill of somebody behind their back), to get into trouble

口が滑る

くちがすべる

to make a slip of the tongue, to let something slip

口が悪い

くちがわるい

sarcastic, having a sharp tongue, having a sharp nasty tongue

口が堅い

くちがかたい

tight-lipped, able to keep a secret

口が多い

くちがおおい

talkative, loquacious, garrulous, voluble

口が重い

くちがおもい

incommunicative, taciturn

口が軽い

くちがかるい

having a loose tongue, being talkative, speaking without thinking, being unable to keep a secret

口が臭い

くちがくさい

having bad breath; having halitosis

口が過ぎる

くちがすぎる

to say something better left unsaid, to go too far (by saying something rude)

口が肥える

くちがこえる

to be used to eating the best, to have a refined palate

口がかかる

くちがかかる

to be summoned (i.e. of a geisha, by a customer)

いける口

いけるくち

drinker, person who can hold their drink

がさる

to search (esp. a home in a police search)

口の小さい

くちのちいさい

small mouthed

口が寂しい

くちがさみしい

craving for food, a cigarette, etc.; longing to have something in one's mouth

口数が多い

くちかずがおおい こうすうがおおい

talkative

がま口

(coin) purse with a metal clasp