The padding motion a cat makes with its paws just before it decides to sit/lie down. In humans: the motions one makes to achieve a comfortable position for example on the sofa or in bed
V. - to pangle = to rub against someone/something (consciously or unconsciously) to achieve a state of comfort
Boy: 'for fuck's sake stop pangling, I'm trying to sleep'
Girl: 'but I thought you liked it when I pangle...'
Boy: 'yeah well I lied didn't I?!'
Girl: 'I just don't know you any more' *weeps gently into pillow*