(( Your regulus))

he(regulus) finally practice his Spanish so he goes to James

Regulus:"James I've been practicing my Spanish, can you test me?"

James:"Um, sure... Quieres que te llena la carita de?"

Regulus:"Did you just?..."

James whisper to Regulus what it mean

Regulus was speechless

meanwhile Sirius is going to kill James later and Remus aka the werewolf with a sensitive hearing, listening to everything