こく · godan verb (-ku)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | こく | こかない |
| Polite | こきます | こきません |
| Past polite | こきました | こきませんでした |
| Past | こいた | こかなかった |
| Te-form | こいて | こかないで |
| Desire | こきたい | こきたくない |
| Potential | こける | こけない |
| Passive | こかれる | こかれない |
| Causative | こかせる | こかせない |
| Causative passive | こかせられるalso こかされる | こかせられないalso こかされない |
| Volitional | ここう | |
| Polite volitional | こきましょう | |
| Imperative | こけ | こくな |
| Conditional | こけば | こかなければ |
| Tara conditional | こいたら | こかなかったら |
godan verb (-ku), transitive verb
expel from the body; let out (a fart)
Colloquial and somewhat crude; used for bodily emissions, especially farting. Often in the phrase 屁をこく.
Did someone fart?
That guy farted again.
godan verb (-ku), transitive verb
utter (lies, nonsense); spout (bullshit)
Vulgar; used for saying something worthless or false. Common with 嘘, ほざく, or でたらめ. Often in the pattern 〜をこく.
Don't talk bullshit!
He's always spouting nonsense.
godan verb (-ku), transitive verb
Highly colloquial and vulgar; a crude substitute for する in certain fixed expressions, such as びっくらこいた (was surprised). Not freely productive.
See also: びっくらこいた
You scared the shit out of me, appearing so suddenly.