First change
It feels like every muscle in your body is permanently contracting, pulling tighter and tighter against your thin frame like skin-deep boa constrictors.
The hunt
The next moment finds him twisted about in the terrible embrace of his prey, the tables turned as the steel like clamp of muscles that is the constrictor close over his body.
2013: Year of the Naga - (Illustrated by AlientKnight)
As he finished, he trailed off into a chuckle, suddenly stirring the mutual coil pile to sit, then 'stand' up above his constrictor compatriot, spreading and stretching his wings.
Nice and Clean
She squeezes and contracts around his cock like a boa constrictor, her velvet walls contouring to every vein and surface on his canine dick. his balls and knot slap against her, demanding more...so much more!
Ouroboros
I was still not sure, why'd a constrictor have poison, but... that was a thing. going by the clothes present, that was a civilized being, but... at that moment, it seemed that serpentine being was done playing with me and bit me in the throat.
The Dream Collection (Illustrated by Unifawn)
In any case, the constrictor was little more than a couch for the various varieties of nay et al.
BLFC Room Party - Parts 0+1
Had this tiny, mysterious man consumed a constrictor at the con? was the mouse capable of vore, like that? had he.. cock-vored him? or sheath-vore?
Surprise!! - A Birthday Collaboration
The constrictor was clearly content to join in on whatever it was that was going on around him, not always completely sure of who it was he was interacting with.
Smalltown
The teacher hissed, a large boa constrictor male. "i-it takes a-awhile to get through the forest." stuttered the slim pantheress. "i will be calling your parents this time. maybe they will start driving you." he hissed. "yes sir mr.vavyla." said nyau.
Zophie's Dream
Standing off to the side was the most beautiful woman i have ever seen in my life, wearing nothing but a boa...constrictor. "you must overcome the hate in your heart and learn to love them. instead of running, or fighting, just give yourself to them.
Encyclopedia: Ta'rall
All ta'rall are constrictors, meaning they lack venom. they have a number of small sharp teeth in their jaws, serrated on the inside. their jaw structure is similar to a lizards, rather then a snake.
Snakeskin - First Gift
It was a smaller box, with an almost comical green cobra with a blue diamond pattern pictured on the front, as well as 'the constrictor' printed in yellow letters.