三々, 三三:

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

single (not in a relationship) / living alone

(competition) being the lone winner

drinking alone

(marriage) by oneself instead of in a marriage / (business, of a guest) by oneself instead of in a group

having something all to oneself

to have something all to oneself

self-centered, self-righteous, smug

self-centeredness