21 Savage has fathered a lot of trends and now he wants what he's owed. On Monday, Savage took to Twitter where he threatened to send an invoice to the rappers who have taken his "yessirskiii" slang ...

Rapper 21 Savage is getting annoyed at the number of artists using a word he claims he coined, “Yessirskii” — so much that he tweeted on Monday that he wants “50 percent of every song” that uses it.