Typically seen in porn flicks where the man, upon inflicting a righteous facial, puts a glazing of semen on his partner's face by rubbing his member back and forth to smear the semen.
Barbara: I love that film - awesome!
Regulus: haha "Get to the chopper" lolz
Smee: Guns, explosions, muscles and puns- perfect!
Barbara: Damn right Smee - perfect friday night viewing!
Archie: "Let off some steam Bennett!"
Dale: Brilliant! Hillarious action! Classic!
Archie: Did you catch it too Dale? Ace!
Glazing: The dog has come back from his walk COVERED in mud. My goodness he has his naughty head on tonight!!
*names and real comments are substituted to protect the innocent*
to glaze means to flirt with someone, usually of the same sex but not required to still be known as glazing.
Friend: "Wow you're so good at that, i love it!" your other friend: "are you glazing on her?!?"
you: "dude that guy is really hot, think i'm gonna glaze on him."