Girls, what does it mean when a girl presses her crotch onto another guy's crotch very hard) while hugging?

Hi! I have a crush on this girl who is the daughter of some family friends that I and my folks know. We would play Roblox together, text each other a lot and talk a lot. But we're very shy in person. Because she rarely comes to visit my city. This one day, my family invited my crush and her family over to play board games and BBQ. The day went pretty well, and I felt as if I got a little closer to my crush, even though we both felt shy. Or maybe I was the one that felt really shy.

Later that night, after the kickback ended. My crush and her family were going to take off. So, my family and I started hugging everyone goodbye while they leave our house. I walked over to hug my crush's mom to give her a hug goodbye, then out of nowhere, my crush intercepted her own mom and ran up to hug me instead. Her mom then shouted, "Hey!" During that hug, my crushed wrapped her arms behind my mid back and pulled me very close to her, it didn't feel like a normal tight bear hug. I felt her pressed and pushed her pelvic/crotch area quite hard onto my crotch. And her breasts were squashed onto my chest. It's almost as if she humped me while standing if that made any sense? Like a really quick hump. I won't lie, I easily got turned on from that. She was wearing mom jean shorts and a floral crop top.

After she let go, she flashed me quick shy smile and walked towards the door real fast.
Her stepdad and other two brothers were already by the door, so they didn't witness any of this accept her mom and me. My parents were already walking the rest of the family out to the door. It was just me, her mom and her daughter left behind at that moment.

Anyways, it was strange... She never hugs like that before.
Again, she literally grabbed my mid back, pulled me really close to her breasts, and pressed her pelvic/vaginal area onto me.

Girls, did you ever press your crotch area onto a man?
Was she being really flirty?
I'll take any advice or opinion.
Girls, what does it mean when a girl presses her crotch onto another guy's crotch very hard) while hugging?
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