A muggle-born’s sibling sends them a howler in the middle of the school year and it arrives while they eat. When they open it, all it does is simply scream “WHAT TEAM?”. Nearly all the muggle-borns shout “WILDCATS!” before returning to their meal, leaving the pure-bloods in total confusion of what the hell they just witnessed.
I accept and fully support this headcanon
"Minerva McGonagall Potter I named you after the bravest person at Hogwarts. "
"Dad you named me after a girl."
“Listen son you talk like that around McGonagall you’ll get your ass handed to you turned into a goblet and be forced to drink from it.”