Fetching details from the dictionary...

sparsely; drop-by-drop
on par with; as good as
(vertical) iteration mark used to represent repetition of the previous kanji (to be read using its kun'yomi)
「点々」 has another reading with different meanings.
空が曇ってきて雨がちょぼちょぼと降り始めた。
Rain started to fall sparingly.
今月は売り上げがちょぼちょぼで経営が厳しい。
Sales were sparse/mediocre.
平日のランチタイムは客がちょぼちょぼとしか来ない。
Customers only come sparingly.