Well, I know it could seem to be very easy for some people to add bootstrap tooltips, but it took me long time to figured it out, so:
open
templatesyour_template_foldertplsblockshead.php
and add code that will trigger tooltip even in 3td apps
<script>
jQuery(window).load(function() {
jQuery('hasTooltip]').tooltip();
})
</script>
Then add, let say in Kunena => your template/html/topic/default_profile_vertical.php
<?php if (!empty($this->userrankimage)) : ?>
<li class="kpost-userrank-img hasTooltip" data-placement="right" title="<?php if (!empty($this->userranktitle)) : ?><?php echo $this->escape($this->userranktitle) ?><?php endif ?>">
<?php echo $this->userrankimage ?>
</li>
<?php endif ?>
and hovering over user rank image it will show nice tooltip.