What does jk mean when boys say it?

What boys call jk is joke, which means joking.

Vocabulary analysis:

joke Basic vocabulary

English [dk]? American [d?o?k]

n. Joke; joke

v. Tell a joke; make a joke

He closed his speech with a funny joke.

He ended his speech with a funny joke.

become the joke of?

carry the joke too far

Extended information

Vocabulary usage -

The basic meaning of joke is "joke, joke", a conversation or story that makes people laugh, and also refers to something that is used as a joke. Can be used as a countable noun or an uncountable noun.

When joke means "ridiculous people, things, or situations", it is mostly used in the singular form and can be used with the indefinite article.

When joke is used as a verb, it means "joking" or "making fun of". It not only refers to "words", but also refers to "actions". It is an intransitive verb and is often used in the progressive body.