2 definitions by Lambsquared
When your dick is to wide for someone's jaw; it cause the temporal mandibular joint(TMJ) to stretch and become sore. Similar to a snake's jaw almost breaks during feeding.
by Lambsquared January 25, 2016
When you're receiving a blowjob and your dick stretches out the back of the giver's throat. It is named because this phenomenon is similar to the way a snake's throat stretches to accumulate a large prey items during feedings.
Damn! I was getting some good head last night! He was trying so hard to please me I gave him snake jaw
by Lambsquared January 31, 2016