Related Clues:

• Is crawling (with)
• Overruns
• Is inundated
• Rains hard
• Is overrun
• Comes down in buckets
• Is overflowing
• Overflows (with)
• Bristles with life
• Swarms (with)
• Overabounds
• Crawls (with)
• As the South encounters the turn, there's lots of them
• Abounds, swarms
• Runs rampant