When you hook up with a girl who has both braces and a mustache.
Last time I went to Club Med, I couldn't find any hot chicks at all. I was forced to have a Mexican Bar Mitzvah with one of 'em and wound up with a serious rash on my face.
by Grinhazenbl January 19, 2011
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After f*cking a woman so hard she turns 13 and becomes a man. Music, dancing, and food usually immediately follow. The newly grown penis is obviously circumcised and the f*ckee may, in some instances, develop daily cravings for pastrami on rye sandwiches.
I drank so much Manischewitz after I gave your mother a mexican bar mitzvah last night I fell down doing to electric slide.
by KNOb23 July 13, 2009
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When you chop hot peppers before you touch your dick. You forgot you touched those peppers and start to jerk it. The pain is so bad you cry. But you keep on jerking it.
Did you get laid last night? I heard the screams.

No I had a Mexican bar mitzvah.
by Mr. Ormaack September 18, 2015
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