Completely finishing a platter of Mexican food from a Mexican restaurant. Typically, the platter will consist of any three items (burrito, tostada, tamale, taco or enchilada) and it is always accompanied with both rice and refried beans. Black beans may be substituted, but usually the black bean customers cannot achieve mexiclosure. One and two item platters are also applicable although not impressive.
"I'm totally stuffed. I don't think I can achieve mexiclosure." said Alex.
A mexican popsicle that tastes absolutely horrible. Usually consists of some red, disgusting substance (e.g. Lucas) and is half salt. A Mexican's attempt at making a summer treat.
"That Mexicle tasted so bad, I justtossed it at the guy next to me."