zipper head
XYZ
tr. “examine your zipper”; make sure your fly is zipped up. (Initialism. Said to men when necessary.)I say there, Wally, XYZ.XYZ, Fred.
zipper
noun
1
a scar US, 1978.
2
an electronic display of news or publicity which is scrolled across a screen fixed to a building US, 2003.
3
a short but well-formed wave US, 1988.
4
a trap play in poker US, 1996