The act of receiving a blowjob from a someone who is blindfolded, and mid blowjob swap with another guy so the person giving the blowjob is unaware they're sucking off someone else.
'yo bro, my girl has no idea she was involved in a swapsucc with me and her dad last week'
A form of sexing that involves Snapchat. Includes two people, one person sends a snap-video of them acting as if they are giving a blowjob (Succ), while the other sends a snap-video of them acting as if they are receiving a blowjob (Succ).