also: ごるぁ
Used to scold or reprove someone, often with a sharp tone. Common when catching someone misbehaving.
こら、そこで何をしている！
Hey! What are you doing there?!
Used to call out to someone to get their attention, often in a rough or familiar way.
こら、ちょっと待ってくれ。
Hey, wait a minute.
Hey, don't play there!
こら、そこの学生!
Hey, you there, student!
こら is a stronger, more overtly scolding interjection, while これ can be milder though still impatient in tone.
Standard hiragana spelling for this interjection.
Katakana variant often used for emphasis or in manga.
Rough, emphatic variant used in very casual or aggressive contexts, often in fiction.
The origin is uncertain; it is a native Japanese interjection used for calling out or scolding.