DJ Grooves Shower

It is a term for overeating and decide to vomit it all out in your partners anus, then you wait for your partner to shit it back on your face, This being called a DJ Grooves shower referring to a fat character who eats so much.

Kevin: man i gave my girl a DJ Grooves Shower last night and my girl didnt like it
Vector: drop her man she's not worth it