This is not a marauders convo but it's hilarious

Mc.Gonagall: Albus! Have you seen proffeser Snape?, I have been looking for him everywhere !

Dumbledore: Sorry minerva I haven't but I know how we can find him

Mc.Gonagall: How-

Dumbledore: *cups hands around mouth* HARRY POTTER IS-

Snape: ARROGANT, TALENTLESS , SPOILED BRAT JUST LIKE HIS FATHER WAS.

Dumbledore: there he is