Bachelor Sip 

To put your head under the faucet for a drink to avoid using a glass.

Jeff took a bachelor sip from the sink.

Bachelor Sip by ShrekDaGlitcher October 22, 2013

bachelor sip 

to drink water directly from the faucet.

Dude 1: "Hey, you need a glass?"
Dude 2: "Nah, I'll just take a quick bachelor sip."

bachelor sip by facefault October 31, 2011