Prinxiety is the ship containing Anxiety and Prince(y) from Thomas Sanders and his sides.
(From Personality Q&A)
Anxiety: I dunno, I'm actually kinda getting into this. Bring it on.
Thomas: Alright! "If you had to kiss one of the others who would you choose?"
Us: *collective gasp*
Anxiety: Nope I'm out.
Us: *collective groan/wailing of fury and anguish* WHY MUST YOU TEASE US WITH PRINXIETY THOMAS
After one inserts their pinkie finger into the rectum of their sexual partner and has to hold their pinkie out to avoid getting fecal matter on their other digits or themselves while finishing sexual intercourse.
Frank gave Cindy the old two in the pink one in the sink and had to air pinkie it while they finished having sex. He then scrubbed his finger with bleach.
(noun) A ship from Thomas Sanders' "Sanders Sides" series that was created by the 'Fanders.' Usually used in a romantic sense and is the combination of Princey (Roman a.k.a. Creativity) and Anxiety (Virgil).
The most sacred promise anyone can give. When broken, you lose your friend forever. The pinkie promise is done by uttering a chant and doing the motions
AJ: you bettar not tell Twi that ah lost her book. Y'all know what happened last time thayt happened.
RD: Pinkie promise. Cross my heart, hope to fly, stick a cupcake in my eye.
RD crosses a hoof over her heart, opened her wings and gave a flap, and put a hoof to her eye.
AJ: thanks, Dash. Ah really don't know what ah'd do without y'all.
RD: no problem, pal.
*later*
RD listened to Twi talk about her new book she lent to AJ. She bit her lip, and opened her mouth to confess. Suddenly, Pinkie sprung out of a potted plant
Pinkie: you'll lose them. Foreeeeeevveeeerrrrr
She slowly disappeared into the plant.