• Jump in the air, holding your board toeside-middle with your backside hand.
  • In the air, place the board underneath your feet.
  • Land.
Meaning #2

Taking LSD (acid) is called dropping it.

Meaning #2

The titration process.
When doing a titration of a base (PH > 7) you use acid drop from a Burrete to titrate the base to neutrelize it into salt and water.
NaHO(aq) + HCL(aq) ----------> NaCl(aq) + H20(l)

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