1) A cagey courtesy laugh
2) someone who makes a habit of retelling someone else's jokes and almost always fucks up the punchline
1) Guy tells a joke to two friends. One laughs and the other doesn't find it funny at all.

Guy 1: tells the joke.
Guy2: "hahahahaha"
Guy3: looks on in disbelief and exclaims: "you're such a fucking calagar - that's fucking funny?

2) "third fucking time tonight - this fucking calagar! Shut the fuck up already!
by Rolee January 5, 2017
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