stinkdamp
/ˈstɪŋkdæm/Definitions
1. noun
a mixture of damp and foul-smelling air; a stench, especially of the kind produced by dampness or decay
“The stinkdamp in the basement was unbearable.”
2. verb
to become or cause to become damp and foul-smelling
“The wet shoes stinkdamped in the dark cellar.”