The sound someone makes when they are giving a hilariously rough blow job. Gluckers can be identified by their runny mascara and repeated gagging.
I busted the hugest Peter North four roper when I watched that new gluck video.
The act of masturbating while lying flat on your back, and being too lazy to get up to jizz or even use a sock to sop it up. You knowingly jizz all over yourself and go back to sleep.
"I was so hungover from operation blackout last night I just lazy volcanoed and passed right back out."