it's turning purple

What an observer says to a sycophant when they are glazing someone so hard that the dick of the aforementioned person starts turning purple.

Daniel: "Jake, oh my god, you are so smart, dude. Straight As on all three tests? Bro, how do you do it? You're insane!"

Daniel's Bro: "Alright, that's enough Jake, it's turning purple."