Sweaty-Smelling
Smelling Of Sweat, Smelling Like Sweat
い adjective
If your sweat is smelly (臭い) you are sweaty-smelling, smelling of sweat, or smelling like sweat.
The readings are the ones you learned with the kanji.
私は彼の汗臭い枕が好きだった。
I liked his sweaty-smelling pillow.