Neologism
N. A new word, phrase, or expression, or a new meaning
Synonyms: new word, coinage
Antonyms: root,time-worn
Sentences
When I used the word my mad up word elbowmouse, no one understand my new neologism.
My best friend's schleffelope got caught in washtart trap, proving his neologisms to be very hobbloft.
My class was very confused by the use of neologisms during my final smore.
The Office very gruntled
Michael Scott - Poor Choice of Words