also: それでもって · そいでもって
and so; and then; because of that; in addition
Colloquial conjunction used in casual speech to connect clauses, similar to それで but more informal. Often implies a natural consequence or additional action.
See also: それで
It rained yesterday. And so, it's raining again today.
He was late. And then he didn't even apologize.
Rare colloquial variant; may be encountered in some dialects or casual speech.
Colloquial contraction of それでもって, itself from それで ('and so') + もって (emphatic particle). The exact derivation is uncertain, but it likely developed in casual speech.