Count characters in lo..ol and print a phrase
GolfScript, 82 characters
&quot;What does &quot;\,2-,{)..10/10%1=!\10%`&quot;123&quot;\?)*&quot;thstndrd&quot;2/=+}%&quot;, &quot;*&quot; 'o' stand for?&quot;

Works even for &gt;100 'o's, test it online.