When a person from the BAY AREA finds a situation, person, or something outrageously funny, it CAN be described by this term.
At a party, a bunch of people are chattering about until they mention a really funny person they all know. One of them then says, "You know Steven? That guy's hellarious!!"
"Man when that girl didn't know what OJ meant, that was hellarious!!"
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.