\def\smileyface{{
\begin{picture}(13,13)
\allinethickness{1.5pt}
\put(6.5,3.5){\circle{13}} 
\put(3.9,5.5){\circle*{1.25}} 
\put(8.7,5.5){\circle*{1.25}}
\put(1.7,0){\spline(2,2.5)(4.7,0)(7,2.5)}
\end{picture}
}}