noun / ~する noun:

• puffing (e.g. steam train); chugging; cooing (e.g. dove) - onomatopoeia
• steaming - onomatopoeia
• feeling hot - onomatopoeia

adverb / ~と adverb:

• snappingly; with a snap - onomatopoeia ➜ ぽきっと

suffix:

• merely ...; having just ... ➜ こっきり

adverb / ~する noun:

• slightly (blushing) - onomatopoeia
• suddenly (getting bright, flaring up, flashing on, etc.) - onomatopoeia
• distractedly - onomatopoeia

adverb / ~と adverb / ~する noun:

• plump; fat; thick (e.g. curry); full (e.g. lips) - onomatopoeia

suffix:

• a little; paltry; piddling; mere - often as っぽっち

noun:

• stud; chad

noun:

• sudden death syndrome; pokkuri death syndrome - Medicine term ➜ ぽっくり

adverb:

• puffing; chugging - onomatopoeia
• steaming - onomatopoeia
• feeling hot - onomatopoeia

~の noun / noun:

• fresh off the farm; inexperienced

adverb / ~と adverb:

• very slightly; a little - onomatopoeia

noun:

• girl's lacquered wooden geta - usu. ぽっくり, ぼっくり
• wooden footwear; clogs; sabots - usu. ぼくり, ぽくり

adverb / ~と adverb:

• lightly - onomatopoeia
• gaping wide - onomatopoeia
• suddenly; unexpectedly - onomatopoeia

~する noun / ~の noun / ~と adverb / adverb:

• to be plump; to be chubby - onomatopoeia

~と adverb / adverb:

• isolated; standing alone - ぽっつり is emphatic - onomatopoeia
• falling in drops (e.g. rain) - onomatopoeia
• saying a single word; muttering just a few words - onomatopoeia

adverb / ~と adverb:

• (dying) suddenly - onomatopoeia
• (breaking) brittly; with a snap - onomatopoeia
• softly and swellingly - onomatopoeia

adverb / ~と adverb:

• bloated (esp. stomach); bulging; sticking out - onomatopoeia
• gaping wide; caving in - onomatopoeia ➜ ぽっかり