mouth pipetting 

Performing oral sex, especially on a scientist or laboratory worker

The attractive female lab tech asked about the dangers of mouth pipetting and if she was at risk to accidentally inhale the DNA sample she wanted to collect

mouth pipetting by DrHyde November 5, 2010

mouth pipetting 

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.

mouth pipetting by your mom sucks me hard September 2, 2009