小六 Little Six can refer to a cute or small persona It may also relate to numerology

Relation Nicknames

小四四 [xiăo sì sì]
小四四 is like saying “ Little Four ” and has no fixed meaning in a cultural background ; it could ...
小怪物 [xiăo guài wù]
Means Little Monster Its used affectionately to refer to oneself as quirky or different from others ...
小小 [xiăo xiăo]
Tiny or Little often indicates a preference for things or beings that are small or delicate This name ...
它是小四 [tā shì xiăo sì]
Referring to the user as little four might indicate humility endearment or simply using a cute nickname ...
小五 [xiăo wŭ]
Little Five may just be a lovely selfnickname implying youth innocence or ...
小九 [xiăo jiŭ]
Little Nine seems like an affectionate nickname for someone possibly young or representing small ...