1. to preen more or better than; to surpass in grooming or self-adornment
Usage: present participle of outpreen; informal; often used figuratively

Examples

• The peacock was outpreening all the other birds in the garden with its magnificent display.
• She spent the morning outpreening her sister, trying on outfit after outfit.
• The two competitors were outpreening each other, each attempting to look more polished than the last.
• He couldn't help outpreening in front of the mirror before the big event.
• The fashion models were outpreening backstage, each wanting to look the most glamorous.