Your POV
That morning Dipper and I were woken up by Mabel shaking the crap out of us, saying she had a surprise for us. As we walked through the hall...
Mabel: Ahhhhhh!!! It's here it's here it's here!!!!
Dipper: *yawns*
You: *rub your eyes sleepily*
Mabel: Ok, so I was just opening random doors because I'm a creep when I found something amazing!!!
Dipper: If it's worth waking up at 7:00 a.m. that will be amazing.
You: Seriously, it's too early to even be alive...
Mabel: Feast your eyes!!! *opens a door revealing a box full of fireworks*
Dipper: Whoahoho!!!
You: Awesome!!!
Mabel: Guys, guys, we're all thinking it!
You, Dipper, and Mabel: Crazy rooftop fireworks party!!!
Stan: *stands in front of you all* Not so fast, kids!!! There is no way on Earth you're setting off those dangerous illegal fireworks. ...without me.
You, Dipper, and Mabel: *smile excitedly*
We all get dressed and go to the roof and start to turn on the fireworks.
You, Dipper, Mabel, and Stan: *laugh*
Dipper: *gives you a popsicle*
Stan: *lights up a firework for Mabel* Here you go, sweetie! Set something on fire for your Grunkle Stan!
Mabel: I AM THE GOD OF DESTRUCTION!!! *lets go of the firework which explodes in the air*
You, Dipper, Mabel, and Stan: *laugh as you all stare at the fireworks*
Blubs and Durland: *walk over to the shack*
Blubs: Hold on a minute, do you have a permit for those?!?
Dipper: Uh...
You: Do you have a permit for being totally lame?!?
Stan: *ruffles your hair* Nice one!!!
You, Dipper, Mabel, and Stan: *laugh*
Blubs: *chuckles* Well, I can't argue with that! Carry on!
Blubs and Durland: *leave*
Stan: *laughs, then sighs* Seriously though, we should probably clean this mess up.
You, Dipper, Mabel, and Stan: *look at the front yard on fire* ...
Mabel: With water balloons?
Stan: I don't see why not.
We all go downstairs. The twins and I filled some water balloons and started to battle as Stan sat on the porch.
Dipper: *runs away laughing, then throws a water balloon which gently lands near him* Seriously?
You and Mabel: *throw water balloons at Dipper's face* WOOOOO!!!!
Dipper: No fair, you guys teamed up!!!
You: What are you talking about? EVERY PERSON FOR THEMSELVES!!! *throw water balloon at Mabel*
Mabel: *GASP* BETRAYAL!!!!
Stan: Ah, this is what Saturday's are for. Doing dumb things forever!
You, Dipper, and Mabel: Dumb things forever!!!! *jump into a big pile of water balloons laughing*
Stan: *avoiding the water from the water balloons* Whoa there! *laughs*

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Monster Hunters (Gravity Falls Dipper x Reader)
FanfictionFor the first time in forever, Dipper and Mabel Pines have been sent to Gravity Falls to live with their great uncle. A weird old man who owns a tourist trap. He seemed strange. One of the workers is a large young funny guy who seemed to be in his c...