you were in potions when you got called

You: Wha-wha-what did you say, oh You're breaking up on me Sorry, I cannot hear you, I'm kinda busy K-kinda busy, k-kinda busy Sorry, I cannot hear you, I'm kinda busy acts like the wifi is bad and then hangs up. Snape and the class looks confused. The golden trio is dying of laughing. Even the slytherin boys smirk. Included Mattheo riddle

You: What..?