Perhaps it's just a creative imagination, with no specific meaning. Or it could imply that the guy is in a desperate situation and the grenades are his last resort. It all depends on the context and the creator's intention behind the cartoon.
It could be an action cartoon where the guy is in a dangerous situation and using the grenades for self-defense or to complete a mission.
It could symbolize having access to something secret or locked. Maybe it's a key to a treasure chest or a hidden room.
The guy on his hands and knees in a cartoon might symbolize defeat, or he could be playing a game and in that position for a specific rule. Sometimes, it's just a random pose for visual interest.
I think it could be some kind of symbolic or fantasy element. Maybe it represents magic or a special power for the character.
Well, it depends on the style and context of the cartoon. Maybe the guy is in a battle scene, surrounded by enemies, and the smoke grenades are his last resort. Or perhaps it's a prank and he has a mischievous grin as he holds them.
It could be a symbol of casualness or a certain attitude, but it's hard to say for sure without more context.
It could indicate a business deal or a professional meeting. Maybe he's sealing an agreement or greeting a partner.
It could symbolize various things, like friendship, protection, or responsibility.
It could represent the idea that money doesn't solve all problems, even if it might make one think they can do whatever they want, like smoking.
Cartoon grenades are usually more colorful and have exaggerated designs. Real grenades are serious weapons with specific functions and safety precautions.