Someone who is so lazy they would rather complain for months about flash player not working than actually click one link and install it, so they can watch a monkey piss in it's own mouth on youtube.
Lee: OMG i just found a monkey pissing in his own mouth on youtube check this out *sends link*
Mary: I can't because I don't have flash player installed. It hasn't worked for months
Lee: Oh you fucking slack bitch...
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Is a name used in UK for coal.
eeh lad, fetch us some nutty slack for t'fire.
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Extremely lazy. Could also be used to describe someone who is a very slow worker.
He hasn't finished that job yet - he is as slack as a yak
when the homie doesnt come through and you were hoping he did or would
the homie jv: "hey man i didnt bring that kush you wanted"
me: "slack son"
A course (usually academic) where a high/moderate grade is easily obtainable without much effort placed in studying, class attendance, assignments, or care. In it's extremity, a slack course do not require the previously mentioned.
Slack courses are usually used by students who wish to improve their academic averages, earn easy credits, do other assignments/studying whilst in a classroom environment, sleep mid-day, stay at home.
You should take Human Relations 101, it's a slack course where all you have to do is talk members of the opposite sex.
I took a slack course right after lunch so I can get of sleep before Organic Chemistry.
Modern Musicians is the slackest class ever, you write about Lady Gaga and get an A.
Verifying the correctness of information by saying or posting something that is wrong, and having people correct you.
The people doing the correcting are typically known as "suckers."
In short, slack-checking is like fact-checking, with less work involved (except for the suckers).
1. Why bother reading about it when you can slack-check it on the internet?
2. (In a 1675 letter by Isaac Newton's lesser-known, wiser and lazier twin brother): "If I have seen further it is by slack-checking on the shoulders of Giants."
Euphemism for a well dressed, well hung, gentleman's genitalia
"That dapper man, gets all of the ladies due to the bulge his slack serpent creates"