1. Jillin' off. Female masturbation. Acronym for "Fingers in Pussy"
2. Generally goofing off, as: "Hey quit fippin' and pay attention here, eh?" of a woman, more insultingly of a man due to its inference that he is not as masculine as he should be...
"Omigod, lookit' him! Jezzzuss, I am SO gonna fip when I get home!"
"What's she doin' that takes so long?" "I don't know, fippin', pro'lly!"
by korba December 1, 2016
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