Are tongue piercings liked and are they painful?

I badly want my tongue pierced but i have a low pain tolerance and I've heard it makes you look trashy. My dad keeps saying its gonna damage my teeth but others have said it won't as long as the barbell is short and plastic and i don't play with it. My boyfriend desperately want me to get it done as he wants to find out if it makes blowjobs better.
Are tongue piercings liked and are they painful?
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