Power mouth 

A man with a strong jaw line, amazing smile and speaks like a sailor.

Brandon needs to watch what he says. His power mouth could get us into a lawsuit even if he looks good saying it!

Power mouth by redwingsfanbase May 31, 2015

Poker Mouth 

The ability to show no emotions while speaking on a topic that normally evokes strong positive or negative emotions.

Matt used his poker mouth in today's meeting with the stakeholders. He normally cannot discuss this project without spewing swear words.

Poker Mouth by Pink Gnomie November 6, 2018

Powder Mouthing 

The act of putting powdered sugar on you genitalia and then shoving it into your partner's mouth/face

Dude, I was surprise powder mouthing my girlfriend last night, she looked like a clown after.

Powder Mouthing by Ringhole April 3, 2012