Findings:

• Metal Slug
• Metal Slug X
• banana slug
• ALBINO SLUGG (user)
• slug thrower
• Glaser Safety Slug
• slugs (user)
• shotgun slug
• Slug Bug
• Slug death
• Slugs
• Slug Racing
• slug line
• Sea slug
• Peg slugs
• slug sex
• Put the slug on
• Metal Slug 2
• Metal Slug 2nd Mission
• Shooting lead bullets in polygonally-rifled barrels
• slug slime
• Metal Slug 3
• Metal Slug 4
• Catch slugs
• Controlling slugs and snails
• Slug (user)
• Fried Banana Slugs
• slug
• The Slug Bearers of Kayrol Island, or, The Friends of Dr. Rushower

If you Log in you could create a "rifled slug" node. If you don't already have an account, you can register here.