<div class="box">
  <h1>Hi.</h1>
</div>

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background: #234;
}
.box {
  position: relative;
  background: orange;
  width: 150px;
  height: 150px;
  margin: 150px auto;
  transition: .2s linear;
  -webkit-clip-path: polygon(12% 12%, 70% 10%, 68% 45%, 44% 44%, 48% 61%, 30% 44%, 7% 45%);
}
.box:hover {
  -webkit-clip-path: polygon(5% 5%, 100% 0%, 100% 75%, 75% 75%, 75% 100%, 50% 75%, 0% 75%);
  background: black;
  color: orange;
}
h1 {
  position: absolute;
  display: inline-block;
  top: 32px;
  left: 40px;
  font-size: 1.2em;
  transition: all .2s linear;
}
.box:hover h1 {
  top: 38px;
  left: 50px;
  font-size: 2em;
}

$('.box').on('mouseenter', function() {
  $(this).find('h1').text('Bye.');
})

$('.box').on('mouseleave', function() {
  $(this).find('h1').text('Hi.');
})