Sims drunk
When you get so plastered that, when trying to speak, your English resembles that of a character from the Sims. Which apparently is known as Simlish.
Nick: “Hey Kyle, how were those everclear shots?”
Kyle: “BLURSH MESHALOOB LOOBLE NURBLER!!!!!”
Will: “Oh no, I think Kyle is Sims drunk.”
Kyle: “BLURSH MESHALOOB LOOBLE NURBLER!!!!!”
Will: “Oh no, I think Kyle is Sims drunk.”