Chingie is short for chingadero, Spanish slang for "fu#*ing thing", more or less. I have heard many Hispanics in L.A. use chingadero, but I believe "chingie" to be utilized mostly by us Anglos. I'm sure your Texas version probably has much the same meaning.
Related: one of the most hilarious country-style recordings ever... I bought this when it first came out.
http://www.artistdirect.com/nad/store/artist/album/0,,63751,00.html
