〜てたまらない: can't stand; extremely

Says a feeling or physical state is so strong you can hardly bear it.

Te-form of a verb or adjective + たまらない (い-adj: 〜くてたまらない; na-adj: 〜でたまらない). Used for your own feelings or sensations: 眠くてたまらない. For other people use 〜ようだ or 〜そうだ.