Mushmouth American slang
Someone who does not or is unable to express their feelings or ideas clearly.
Whenever I don't have enough sleep, I become a mushmouth.
I felt so ashamed of myself for being a mushmouth.
If I hadn't been a mushmouth, I would have been chosen for that position.
This slang dates from the mid 19th century.
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.