to jump into, to leap into, to dive into, to plunge into, fly into / to come rushing in / to butt in

(onomatopoeia) sound of a heavy object falling into the water.

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

he; boyfriend

water (sometimes cold and/or fresh) / drinking water / a fluid, liquid / a flood / (sumo) Short for 水入り (mizuiri): halting

a doss-house, cheap lodging, a flophouse, especially in a skid row area or slum / a hangout or meeting place for criminal gangs

The hiragana syllable ど𛅒 (dwo). Its equivalent in katakana is ド𛅦 (dwo).

(onomatopoeia, informal) flowing thickly

(Kansai) what kind