gobsmack 

Completely dumbfounded, shocked. From the Irish word "gob" meaning "mouth".

We were utterly gobsmacked when we spotted John at a restaurant on Friday night, after having attended his funeral that very morning!

gobsmack by Terri M. July 25, 2008

gobsmack 

Completely dumbfounded speechlessastounded. From the Irish/Scottish/Northern England word "gob" meaning "mouth".

I think it comes from the action of clapping your hand over your mouth when you are utterly surprised to the extent that you are unable to speak.

All the soccer fans were totally gobsmacked when Leicester City won the Championship.

gobsmack by Tim Grim May 24, 2016

gobsmack 

To be completely dumbfounded or shocked. That I know of, its origins are Irish.

I have know idea what a "gob" is or why it is common practice to smack somebody with one when they are shocked.

It seems like a rude thing to do, though.

"Well, I'll be gobsmacked!" exclaimed the taxi driver, as he watched two sworn enemies hug.

gobsmack by Yogi!! April 18, 2005

gobsmack 

Irish (possibly only Dublin, I'm not sure) slang meaning to kiss someone without warning.

Random onlooker: OMG! He just gobsmacked her! That looked painful.

gobsmack by Francie August 21, 2005

gobsmack 

to unexpectedly or suddenly hit someone or something in the mouth. Often done in anger or with the intent to injure. Almost always done with whatever is nearest at hand.

"I gobsmacked that bully with my biology book."
"Billy said he was not going to get off my new bike. I gobsmacked him into changing his mind with my book bag."

gobsmack by R Lord February 8, 2008

gobsmacked 

being totally speachless.unable to think of anything to say.

i was gobsmacked when i won the lotto

gobsmacked by mike briggs July 13, 2003

Gobsmacked 

UK Slang--def.

When someone is left speechless, dumbfounded, taciturn, non-plussed.

Regan: I think I'll be moving back to California.
Kennedy looked at her, gobsmacked.
Kennedy: Have you thought this through? You're my best friend, and yr leaving me?

Gobsmacked by Babydoll75 March 22, 2019