Mexican slang words	English translation
Extranjero	Foreigner
Guero	White skin man/woman
Gringo	Usually Americans but can apply To Canadians and Europeans
Güey	Man, dude, Bro. Women also use this word.
Chinga/ Chingo /a la Chingada	Fuck, To Fuck, used as an insult, something that broke or is stuck, very far away place,
Verga / La verga / la mera verga	Dick, The main thing, the best thing, can also be used for insults
Que Padre/ padrisimo	Very cool, amazing, awesome
Mamón	Used in reference to an unpleasant person
Hijo de puta	Son of a bitch
Puta madre	Fuck, Damnit
En Putado	Mad, upset, broken, chaotic situation or environment.
A la Madre	Very far away, can also be used as an insult.
Cabron	Motherfucker
Joto/Maricon ​	Gay, fagot ​

Taking the time to familiarize yourself with  Mexican slang will raise your level of awareness which could potentially keep you out of trouble.