overexuberant

/ˌoʊvərɪɡˈzuːbərənt/
adjective
  1. Extremely enthusiastic or excited, often in a way that seems excessive or uncontrolled.
    • The overexuberant fans rushed the field after the winning goal.
    • The puppy's overexuberant greeting knocked the toddler over.
    • Her overexuberant praise made the shy student feel uncomfortable.
  2. Growing or spreading very quickly and abundantly, especially in plants.
    • The overexuberant weeds choked out the flowers in the garden.
    • The overexuberant vines covered the entire fence in just a few weeks.
    • Gardeners often trim back overexuberant growth to keep plants healthy.