An extreme sexual act. The recipient of anal sex ensures that the hand end of waiting faeces descends far enough down their rectum to make contact with the penetrative body part (e.g. penis, tongue, finger).
"Honestly sister, I couldnt work out how to dump him so i just kept snaketailing him."

" Oh dude, the more she snaketailed me the more things got hot and squishy for me."

" Im ok with being snaketailed, but just not on my tongue."

"Her snaketail was so hard it slotted right into my pisshole"
by Doctor P.J November 18, 2017
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