pompom /pomˈpom/, pompon /pomˈpon/ or (obsolete) pompoon /pom-poonˈ/

1. A jewelled hair ornament on a pin (obsolete)
2. A fluffy or woolly ball, tuft, or tassel worn on a shoe, hat, etc

• have the best of it
• have the black ox tread on one's foot
• have the bulge on someone
• have the cards stacked against
• have the cards stacked in favour of
• have the edge
• have the goods on
• have the heart
• have the hots for
• have the jitters
• have the jump on
• have the key of the door
• have the key of the street
• have the last laugh
• have the laugh of
• have the law of
• have the law on
• have the makings of
• have the mount
• have the pas
• have the sun in one's eyes
• have the weather of
• have the wind of
• have the wind up
• have the worse