look up any word, like bae:
 
1.
One of the many children that a Mexican family tries to fit in the cab of their pickup truck. The limited space in the cab requires the children to sit on the driver's and passenger's lap, thus protecting the driver in the event of a crash. (if there are more than 5 kids it would be called a MexiPack)
Look at the Garcia's over there with those 5 mexican airbags on their laps.
by Neal Thomas Iskenderian October 23, 2006
 
2.
When a latino sits a child on their lap while driving a vehicle.
Momma Rosa brought her mexican-airbag with her to the supermarket.
by GEN COBRA July 14, 2008