glocker
Similar to the shocker, the glocker is made by sticking out the middle and index fingers, like making a gun with your hand (hence the glock). You then insert the two fingers into the vagina, like the shocker without the pinky.
I gave her the glocker and then all of a sudden, "bang! bang!", she was shot.
Glocker
When some is an absolute God at giving head.
"did you see that girl at the party last week!?, She was a hardcore glocker".