Green’s Dictionary of Slang

(drugs) a person who sniffs glue.

1967		J.B. Williams Narcotics and Hallucinogens 112: Gluey – Glue sniffer [HDAS].
1970		J. Wambaugh New Centurions 270: ‘Drinking a little wine, I guess.’ ‘Yeah, that’s not like him. He’s a glue head’.
1973		J. Wambaugh Blue Knight 299: I ain’t a gluehead. It makes guys crazy.
2003		A. Mendelson Paradise Boys 133: I figure that little faggot gluehead Chaters goin’ to be here.