Another name for Smartwater. Smartwater is a bottled water which claims to make you smarter if you drink it.
Marcy: Hey Jean, pass me the smardwater?
Jean: Do it yourself, smardface.
Marcy: Uhg.. Phatphace.
Jean: Yo smardface, whats the answer to this math problem?
Marcy: You mean the 2+2 one? Its four you phatphace! Go drink some smardwater, hukhuk!