mixer dance
...that social dancers exchange partners several times during a mixer dance, to increase their chance of dancing with new people?
...that <a href="./Social_dance" id="mwB-8" rel="mw:WikiLink" title="Social dance">social dancers</a> exchange partners several times during a <b id="mwB_A"><a href="./Mixer_dance" id="mwB_E" rel="mw:WikiLink" title="Mixer dance">mixer dance</a></b>, to increase their chance of <a class="mw-redirect" href="./Dancing" id="mwB_I" rel="mw:WikiLink" title="Dancing">dancing</a> with new people?