As defined by Roger's Profanisaurus, a 'zig-a-zig-ahh' is to have a really good wank to a Spice Girls video.
Tony Blair: "Keep my seat, Gordon, I'm off for a quick zig-a-zig-ahh back in the office."
Gordon Brown: "Don't be long!"
Tony Blair: "I never am!"
by crackotage July 28, 2006
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