look up any word, like sparkle pony:
 
1.
To put your head under the faucet for a drink to avoid using a glass.
Jeff took a bachelor sip from the sink.
by ShrekDaGlitcher October 22, 2013
 
2.
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."
by facefault October 31, 2011