a Mexican Dumptruck is using a pickup truck to dump a load of cargo similar to a dumptruck. The load is placed in the bed of the truck and the tailgate is left down. The truck is driven in reverse at a high rate of speed towards the intended "dump" point. Just before reaching the "dump" point the driver slams on the breaks causing the cargo to come flying out of the truck.
"I don't really want to unload all this firewood by hand... let's just do the ol' MexicanDumptruck"
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.