not a kid anymore

not a kid anymore

No longer having or afforded the innocence, naïveté, physical advantages, or lack of responsibilities associated with youth. You shouldn't try to tackle such demanding hikes—you're not a kid anymore. I could tell he was trying to con me like he used to do, but I wasn't a kid anymore, so I told him where to shove it. You aren't a kid anymore, Tom. It's time you started acting like an adult.
See also: anymore, kid, not

not a kid anymore

Fig. no longer in one's youth. You can't keep partying all weekend, every weekend. You're not a kid anymore. Kathy: Bill is just as wild as ever, I hear. Jane: Bill needs to realize that he's not a kid anymore.
See also: anymore, kid, not
References in periodicals archive ?
Though Sanders herself did not have a built-in community of local parenting friends (due to a cross-country move around the time her daughter was in junior high), Mom, I'm Not a Kid Anymore makes up for missed, real life conversations with her fourteen-year-old daughter, Lizzie.
While the subtitle, Navigating 25 Inevitable Conversations that Arrive Before You Know It, suggests a how-to genre, Mom, I'm Not a Kid Anymore is truly memoir -- twenty-five essays surrounding a unique conversation or experience with Lizzie in the context of a re-fashioned family (Lizzie's biological father is not altogether present, but Sanders' second husband, Jeff, helps with the parenting).