9. Parker
The makers of some of the great pens in the world had this ads of theirs not going according to plan as expected and so as a result had to change it.
The slogan in English reads; “It won’t leak in your pockets and embarrass you”. But it appears when this same translation gets into Spanish, it means something else and something I believe most women won’t be happy about. This is how it translates in Spanish; “It won’t leak in your pocket and make you pregnant”.