1. Using one's mouth to precisely transfer liquids using a pipette.
2. A very accurate but Darwinistic way of measuring liquids due to the possibility of swallowing chemicals.
Bob was the most precise lab tech around because of his controversial use of mouth pipetting. Unfortunately this is now on his tombstone because the retard drank acid.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug