SIU SII SMD

The abbrevation for the commonly used phrase

"Suck it up, suck it in, suck my dick"

A phrase used by lovely guys with excellent manners.

Girl : I don't wanna send you pix of me in a bra...i'm self concious :/

Boy: Uhh SIU SII SMD...

Girl: wtf...

by lizbrez March 23, 2009