An alcoholic that sneaks a drink when they think no one is looking. Usually hides bottles all around the house so they can get a drink whenever they need it.
“I think I smell alcohol on his breath it’s like 7:30 in the morning. Ohh he’s got bottles hidden all over the place, he’s a Secret Sipper”
by Capt_Quint October 8, 2015

Intellectually lazy, college educated adults who jack each other off with pseudo-intellectual banter.
Katherine Lanpher is big with the merlot sippers.
That movie will go over well with the merlot sippers.
That movie will go over well with the merlot sippers.
by slonob February 1, 2004

one who only needs one sip of water to cure his cottonmouth from smoking marijuana. often the envy of his peers, the one sipper is also usually the life of the party.
Jim: "Hey John, is your throat dry? IM SOOO HIGHHH"
John: "Nah man, im straight."
Jeff: "Jim you ignorant slut, John is a one sipper"
John: "Nah man, im straight."
Jeff: "Jim you ignorant slut, John is a one sipper"
by DaOneSippah November 23, 2009

Used by Texas A&M students to refer to University of Texas students and indicating lack of ability in handling their alcohol consumption.
by sadibo May 18, 2011

The biggest idiot there is .
by Nanersification December 17, 2011

A term for Canadian people
by THEFAGGOTCUMDUMPSTER May 20, 2022

Someone who doesn't finish their alcohol before they open a new can/bottle and then doesn't admit that the unfinished drinks are theirs. This results in numerous half-full drinks left lying around.
John: "Who keeps leaving these half-full bottles around?"
Ben(Phantom Sipper): "Not me."
John: "Someone is a phantom sipper!"
Ben(Phantom Sipper): "Not me."
John: "Someone is a phantom sipper!"
by HH_Reezy January 18, 2013
