きーん
Meanings
Adverb
Adverb taking と
1. with a screech; with a whine; with a shrill; with a ringing (in the ears) (Onomatopoeia)
2. with a sharp pain (in the head or teeth after eating or drinking something cold); getting a brain freeze (Onomatopoeia)
Other readings
Examples4
上空
The jet made a whining sound as it soared overhead.
離陸
During takeoff, one's ears pop.
暑い
When it's hot, there's nothing like a ice cold beer.
しかし、
However, maybe from the sudden change in pressure when you push them in, having your ears pop is a problem.