adverb
puffing; chugging
Mimetic adverb describing the sound or motion of a steam engine, train, or similar rhythmic puffing.
機関車がぽっぽと煙を吐きながら走っている。
The locomotive is running while puffing out smoke.
adverb
Describes steam rising or something steaming gently, often with a soft, repeated puffing sound.
やかんがぽっぽと湯気を立てている。
The kettle is steaming gently.
adverb
feeling hot; flushed
Used for a sensation of heat, such as a flushed face or a warm, stuffy feeling.
風呂上がりで体がぽっぽと熱い。
My body feels hot and flushed after the bath.