That's not aftershave. That's kerosene.
4 seconds sound clip from the Home Alone 2: Lost in New York movie soundboard.
You can hear this line at 01:40:21 in the Blu-ray version of the movie.
Quote context
[...]
- Come on, Marv. Oh, I don't know.
- I said, come on. Come on, you big sissy.
- Harry? You wearing aftershave?
- That's not aftershave. That's kerosene.
- Now, why would anybody soak a rope in kerosene?
- Go up!
[...]