1) The whiffy smell coming from the dumpster made everyone hold their breath.

2) The bathroom was particularly whiffy after someone had forgotten to flush.

3) The old cheese had gone whiffy and needed to be thrown out.

4) The whiffy odor of fish lingered in the kitchen after cooking.

5) The gym locker room was always whiffy after a long day of workouts.

6) The sewage leak left a whiffy stench in the basement.

7) The wet dog shook his fur, spreading a whiffy scent throughout the room.

8) The compost bin had become whiffy and attracted flies.

9) The teenager's room was surprisingly clean, but still had a slightly whiffy smell.

10) The old couch was so whiffy that no one wanted to sit on it anymore.