To partake in an activity which no matter how detrimental to your health, allows you to enjoy yourself as much as possible.
Did you treat yourself over the weekend?
Are you treating yourself?
Treat yourself as you wish others to treat you.
synonymous with treated
when someone makes a mistake -
when someone is caught slipping -
"treated!" "treat yourself"
"hey! nice shoes! psyche... TREATED!"
To get laid, have sex, achieve a one night stand.
Richard: Did you treat yourself last night Chris?
Chris: I most certainly did.