てたまらない (te tamaranai): Feeling something unbearably strongly

Unbearably; extremely; cannot wait to

Te-form verb, i-adjective ending in くて, or na-adjective + で + たまらない.

Intensify a feeling, sensation, or desire to a level that is hard to bear. It works for pleasant and unpleasant emotions. It is especially natural with bodily sensations and personal wishes, not as a general replacement for very in objective facts.

朝から何も食べていないので、お腹がすいてたまりません。

I have eaten nothing since morning and am unbearably hungry.

早く旅行の写真を見たくてたまりません。

I cannot wait to see the photos from the trip.

部屋が暑くてたまらないので、窓を開けました。

The room was unbearably hot, so I opened the window.

子供の成長を見るのがうれしくてたまりません。

I am overjoyed to see my child growing up.

結果の発表を待つ間、不安でたまりませんでした。

While waiting for the results, I felt unbearably anxious.