What does a clear pointy bump under the tongue mean? it's near the tip directly in the middle.

Salivary duct: It sure sounds like the normal submandibular or Wharton's salivary duct openings. See the adjacent photo and Google it.

Reasons: There are many reasons for clear fluid-containings lesions in the mouth, almost all of them perfectly benign, just annoying. Why don't your ask your Dentist to take a look, provide you with peace of mind, and advise you as to any treatment that may be necessary other than Tincture of Time.