A new study looked at the most popular slang terms in 2021. Meaning words kid use, but they’re widespread enough that their parents could use them in a sentence too. So, if you know what they mean, you’re not that old yet. The ten most popular slang terms in 2021 are: Ghosted . . . salty . . . on point . . . woke . . . goat . . . extra . . . low-key . . . catfish . . . savage . . . and thirsty.