Fistlings
Tiny particles of mucous, blood, epithelial cells, and / or residue pieces that are expelled during an extended fisting session.
After being double-fisted in her rectum and vagina for over 45-minutes, grandma's fistlings were all over the shag carpet.
Fistle
Making a fist then bumping knuckles with another person in a sign of friendship or kinship. Usually reserved as a farewell but can also be used to commemorate something good that just happened or as a sign of agreement.
He dropped me off at my car, I leaned in for a hug and he gave me a fistle instead.