2. One who worships celebrities or big name athletes.
3. Most sports journalists.
4. Jay Leno.
2. "This Jay Leno guy, he does nothing but suck ass every night on his show."
1) in literal terms, putting your mouth to an anus and quickly inhaling, causing a stream of air to be pulled into your mouth from the anus.
2) in slang terms, to be bad. This is how the phrase is most commonly used, and tends to be more intense than the usual "that sucks." "That sucks ass" is like adding a "really" to it.
"Not like that, man"