1)to repeatedly mispronounce a commonly used word, and be unaware.
2)a word that can be used in place of any word in a sentence for which its meaning will not be lost through substitution.
Let's go to the Swapp tonight. (swapp replacing a common hangout)
This place is swapp. (where the meaning of swapp is implied by facial expression.)
She is the type of girl that swapps a lot.
He entered swappily.