A notifying exclamation that someone within visual range of the speaker is wearing an unconvincing hair piece or wig.
(origin rhyming slag for wig "Syrup Of Figs").

Note not to be confused with "Irish Jig Alert!" which is a warning that "Lord Of The Dance" is playing in town.
Two friends walk into an ironmonger's shop and notice that a waiting customer at the counter of advancing years has jet black hair with a side parting at the back of his head.

"Ooops! Syrup Alert!"
by Brian Combe November 1, 2007
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