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1.
Something that gives one an ego boost.

This can be brought upon by oneself, others, or both and can be intentional or spontaneous.

Treats are good, but you'll know when your personality has been treated!

I was so cocky last night after those personality treats: I was drunk, in a tux and with cigars in hand.

Man, these five lines are gonna be a personality treat tonight.

I got off stage and the crowd seemed to love me, wow! What a personality treat.