Sometimes literally https://twitter.com/#!/jashkenas/status/166969306859581440

hell.js

/*
Error
    at treachery (hell.js:49:11)
    at fraud (hell.js:45:12)
    at violence (hell.js:41:12)
    at heresy (hell.js:37:12)
    at anger (hell.js:33:12)
    at greed (hell.js:29:12)
    at gluttony (hell.js:25:12)
    at lust (hell.js:21:12)
    at limbo (hell.js:17:12)
*/

limbo()

function limbo() {
    return lust();
}

function lust() {
    return gluttony();
}

function gluttony() {
    return greed();
}

function greed() {
    return anger();
}

function anger() {
    return heresy();
}

function heresy() {
    return violence();
}

function violence() {
    return fraud();
}

function fraud() {
    return treachery();
}

function treachery() {
    throw new Error;
}

no chance to repro this with coffee

limbo = -> lust()
lust = -> gluttony()
gluttony = -> greed()
greed = -> anger()
anger = -> heresy()
heresy = -> violence()
violence = -> fraud()
fraud = -> treachery()
treachery = -> throw new Error
limbo()

Error
    at shit.coffee:37:11
    at shit.coffee:33:12
    at shit.coffee:29:12
    at shit.coffee:25:12
    at shit.coffee:21:12
    at shit.coffee:17:12
    at shit.coffee:13:12
    at shit.coffee:9:12
    at shit.coffee:5:12
    at Object.<anonymous> (shit.coffee:40:3)

Clearly, this works better as a Class:

class FavoriteThings
    limbo:     -> @lust()
    lust:      -> @gluttony()
    gluttony:  -> @greed()
    greed:     -> @anger()
    anger:     -> @heresy()
    heresy:    -> @violence()
    violence:  -> @fraud()
    fraud:     -> @treachery()
    treachery: -> throw new Error

new FavoriteThings().limbo()