Definition of Stinky

Adjective: stinky (stinkier,stinkiest) sting-kee

Having an unpleasant smell
"stinky gases";
- malodorous, malodourous [Brit, Cdn, non-standard], unpleasant-smelling, ill-smelling, pongy [Brit], whiffy [Brit], minging [Brit]
Very bad
"a stinky play";
- icky, lousy, rotten, stinking, crummy, rubbish [Brit]