Being a full fledged dipper of tobac myself i have thought on this alot. Yes i think a deer will smell it. It might even make me not get a nice buck because it smelled my chew before i even saw it. But that the choice i make every time i get in the stand. and since i am hopelessly addicted i chew/dip anyway. I probably had a dip in everytime i have shot a deer. I do spit in a bottle though and not on the ground.