koiguchidesu
1. It's not a standard phrase. Likely intended as:;
Noun
#114057
1. It's not a standard phrase. Likely intended as:;
1. opening of a scabbard; mouth of a sword sheath
2. style of shirt with carp-mouth shaped sleeves
1. to loosen one's sword slightly in the scabbard
1. It was not koi mouth.; It wasn't a koi-shaped mouth.
1. Was a carp's mouth.; Was wide open.
1. It is not carp-mouth.; It is not a carp's mouth.
1. With a carp's mouth; Like a carp's mouth
1. Carp-mouth; Relating to carp mouth (style)
1. If/when the koi's mouth opens; If/when a carp opens its mouth
1. If/when koi mouth; Provided koi mouth