구

Spoken spelling of 'and'

This is the joining ending 고 written the way people actually say it, with a rounder vowel: and that's how you learn, right?; so that stuff comes to mind too; don't make it look like we forced you. It also shows up inside 가지구, the relaxed form of 가지고 meaning 'and so'. It signals a soft, chatty tone and often gets stretched further in captions. In writing, the standard form is 고.

Register: casual, spoken