夏なつい

i-adjective

blisteringly hot; scorching

Slang term blending 夏 (summer) and 熱い (hot), used to describe extremely hot summer weather or conditions.

• 今日きょうはマジで夏なついな。

  It's seriously scorching today.

• この部屋へや、クーラーなくて夏なつすぎる。

  This room is way too hot without AC.