mouthguard lisp 

The lisp you get when you talk while wearing a mouthguard

Person 1: You got your mouthguard for ufc?
Person 2: Yeth, I have my mouthguard for uf -thea. And I covered it in Vatheline.
Person 1: please take out your mouthguard.
Person 2: (takes out mouthguard) Sorry, mouthguard lisp.

mouthguard lisp by babypiratesnapchat2 October 29, 2022

irish mouthguard 

when someone is asleep you put your nuts on there teeth

dude dean passed out at the party so we all gave him an irish mouthguard

irish mouthguard by constapedpooblocker February 4, 2010