Adulting: When one becomes an adult only too realise they wasted their childhood wishing to become one. This often occurs when one comes to the reality of taxes, work and actual responsibility.
"oh man have you seen Jones?"
"yea bro I think adulting really took a hit on him"
Adulting (Verb); to familiarize oneself with the now obvious reality of adulthood. To feel ok with the transition from teenager to a young adult, and to notice slight but significant changes in one's life like, {paying bills, saving money, and time management}