A fork of Rural Dictionary
The act of moving your body upwards during a period of making out in an effort to obtain fellatio (blowjob) from the partner (can also be used for cunnilingus (eating out), but rarely). Such action usually requires a back and forth (left and right) movement to gain the needed height difference and can be enhanced with a hand to head encouragement motion.
"I tried to slither up on Megan last night but got turned down, 5 times." "Sliver me timbers!" (used to make fun of those who have attempted at slithering and failed)
To move like a snake or just move from one place to another
Bryan: Are you slithering to the pub?
While driving or moving forward, "slither" means to keep moving straight. "s" stems from the beggining of both straight and slither.
george-"yo which way now?" andre-"slither...SLITHER!"
“Susan got slithered when she was making out with Brad last night.”
Slitherer - Reptian like behavior of covert enemies who act as friends but are constantly injecting their venom, by word and action, trying to sabotage your life. A frenemy whose intent is hidden until they put the bite on you covertly.
She is worse than a frenemy! She's a slitherer! Tell you sister to watch out, she bit my sister and almost destroyed her life!