Verb – Chewing a piece of gum instead of actually brushing your teeth to mask bad breath or halitosis, due
to laziness or lack of time.
Dude, I had to give myself a mexican toothbrush cause I didn’t have enough time before taking Mindy to the movies, I hope she don’t want to get all up in my grille tonight.
Mexican toothbrush: define #2
when fucking her doggie style you stick your finger in her butt, when she turns to complain you jab your finger in her mouth.
my girl started talking back so I gave her a mexican toothbrush to shut her up.