literally fucking J

when you're hungover as shit after a spending a night drunk as a skunk

Another way to say “just”

an abbreviation for the word just

J short for Joint of Marijuana

The Ultimate-Guitar.com (UG) version of the pound sign (£) - it is common amongst hard-core patriotic users to use this replacement (J) outside of context and UG...

J or j can be used - both are acceptable.

This replacement of 'J' and '£' arises from the personal messaging system. It inexplicably replaces '£' with 'J' before sending, presumably because it cannot store or send '£' as it is not a letter, and as UG is American, the £ is unlikely to be used.

A short, cool way for Jews to say JCC