A definite possibility; or you could've got a lower dose of MDMA, or a completely different substance overall.
pure mdma at a good doasge will make u clench ur gaw and grind ur teeth, not its not meth that does that, itl also make ur eyes rolll in thhe back of ur head cuz itfeels goood to do it . u probly got a low dose of mdma , or no mdma at all an somthing else...thaths why e is bad , to mannny laced fuckin pills