by afrochika September 24, 2003

An Adjective which describes something sub-par, below satisfactory. Also can be used by person (A) in describing person (B) if person (A) feels as though person (B) as an unappealing quality about them.
by The Raven July 22, 2003

by Young Mozy March 31, 2009

by kamhp May 13, 2005

(people wanting to go to the beach)
Person 1: geez i really want to go to the beach today
Person 2: yeah me too but its raining
Person 1: REALLY!!!! man thats MUG
Person 1: geez i really want to go to the beach today
Person 2: yeah me too but its raining
Person 1: REALLY!!!! man thats MUG
by mrs.awesome September 12, 2010

Kevin: "whats up dude?"
Nathaniel: "not much mug...just drinkin some protein"
Kevin: "wanna go to shoots later"
Nathinel: "sure mug...do i have to wear a shirt?"
Kevin: "yea man"
Nathinel: "is a green v-neck ok ?"
Kevin: "no."
Nathaniel: "not much mug...just drinkin some protein"
Kevin: "wanna go to shoots later"
Nathinel: "sure mug...do i have to wear a shirt?"
Kevin: "yea man"
Nathinel: "is a green v-neck ok ?"
Kevin: "no."
by playa724 March 17, 2011
