Birthday Mexican 

Slang for a sloppy blow job in a car

Joey: "Everything is closed down due to COVID-19... But I could really go for some Birthday Mexican"

*Rebecca proceeds to slurp Joey's shaft loudly and sloppily, not unlike the process of eating Mexican food*

Birthday Mexican by SaggyBobSaget69 April 12, 2020

Mexican Birthday Cake 

When you send someone (who is in jail) a cake with a file in it

Pedro got busted for mastubating in public and was put in jail. So his best friend John sent him a Mexican Birthday Cake

Mexican Birthday Cake by Pedro_Salty_Ballz August 8, 2009

mexican birthday cake 

The act of eating several helpings of beans and deficating them on somebodys person.

I gave Sherry a mexican birthday cake and she was delighted to receive it.

mexican birthday cake by scott negley March 25, 2007

mexican birthday party 

A strip club, pinata, barbecue, loud music, mysterious looking condoms, some shady dude named lil' Pedro that doesnt talk to anyone,and a WHOLE lot of tequila is involved.... and thats the first 20 minutes.....

Person 1: Dude where were you last night?
Person 2: I was at a mexican birthday party... do you know anyone named lil' Pedro?
Person 1: No, why?
Person 2: Cuz he's sleeping on my couch right now

mexican birthday party by The D and The V November 26, 2013