noun
Slang term formed by reversing the syllables of におい. Used casually, often with a playful or emphatic tone. Can refer to any kind of smell, good or bad.
See also: におい
この部屋、なんかオイニーがするね。
This room has a bit of a smell, doesn't it?
彼のオイニーが強すぎて近づけない。
His odor is so strong I can't get close.