The term is often used humorously to describe a person who is acting in a silly or irresponsible way, especially when they are driving a pickup truck.
The origin of the term is unclear, but it is believed to have originated in the southern United States.
Here are some things to consider:
* It's a cultural reference: It's not a literal monkey, but a playful reference to the common sight of stuffed animals in pickup truck beds.
* It's often used humorously: While it can be a positive term, it's usually used with a bit of lightheartedness.
* It's associated with a specific stereotype: It's linked to pickup truck culture and might have a bit of a "redneck" connotation depending on the context.
It's important to be aware of the potential connotations when using this term, as it can be perceived as offensive or disrespectful by some.