The act of smoking marijuana in any fashion. Any old "Rudeboy" would know whats up when it comes time to "Jamok".
If you've ever used "Rock, Rap, 'n Roll" then you really know whats up, respekt!
The word is most commonly used in succession, i.e. you would shout out "Jamok, Jamok!" two times in a row.

A clumsy loser who is incapable of doing normal human tasks.

A rare alternative form of the word "Joker".

Note: To be used only by a person who currantly has a coffee cake in his mouth.

A derogatory term used to describe a lazy assed, good-for-nothing, spoon

In general, a blue-collar male of a specific physical or cultural profile, typically of an East Coast derivation, burly and boisterous. As a term of affection, similar to "big lug". As an epithet, rarely rises above the level of exasperation.

A chump. A knucklehead, frat-boy type idiot.