2 definitions by izzehWIN_
An acronym for "suck my dick". Widely used across the intergalactic web, and in general conversation.
intergalactic web:
guy: my mom made me pancakes
dude: ur mom can smd
in real life:
guy: omg you're well ugly man
dude: how about smd?
guy: my mom made me pancakes
dude: ur mom can smd
in real life:
guy: omg you're well ugly man
dude: how about smd?
by izzehWIN_ May 3, 2010
A more effective and stronger way of saying "penis". May be used over the intergalactic web, or through general conversation.
by izzehWIN_ May 3, 2010