(colloquial) Clipping of 意味深長 (imishinchō).

understanding, comprehension / appreciation

摸々具和, 鼯鼠, 野衾: a flying squirrel

Alternative spelling of モモンガ (“flying squirrel”)

a flying squirrel, especially the Japanese dwarf flying squirrel (Pteromys momonga)

Alternative spelling of モモンガ (“flying squirrel”)

understand, comprehend / appreciate

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

意味: a meaning, a significance, the point / 異味: strange or different flavor