Mexican Toothache 

When one consumes a mass amount of spicy mexican food thus paying for it the next day when one encounters severe explosive diarrhea where leftover floaty mexican food can be seen. This usually leaves behind fine toilet art.

Ex. Sara goes to Don Lorenzo's and eats the entire dish of chicken chimichanga on top of a basket of tortilla's with salsa and guacamole. About an hour later she sprints to the nearest restroom and experiences a mexican toothache.

Mexican Toothache by taniabakersbu August 2, 2009

Mexican Toothache 

Applying toothache medicine to your partner's anus . The effect of this is to allow anal sex before they know what hit them . A condom should be worn lest you become numb also .
This is best done without the others person's knowledge .

After giving her a Mexican Toothache , getting into her rear was no problem !

Mexican Toothache by B. Hillard September 16, 2006

mexican tooth ache 

stomach ache, comparable to Montezuma's revenge

after eating that fried chicken last night, I got a really bad Mexican Tooth Ache!

mexican tooth ache by youarenotthefather November 2, 2004