Bob Ross was quoted in saying "...just 'smoosh' it in there. It's not a real word, but people seem to know what it means."  Oh Bob Fro Ross.  I miss him as much as I miss Mr. Rogers.  I bring ole' Bob into it again because it's very true.  What does 'squish' mean for that

Ingredients: vanilla wafers, banana, heavy cream, whole milk, sugar, egg yolks, cornstarch, salt,