When you get your cock sucked by someone without any teeth. Through a gumjob, the person will attempt to munch on the head of the cock with their gums.
This person may have a)removed their teeth through dentures b)been a prostitute that has sold his/her teeth for drug money on the black market c)been a crack whore who has purposely chipped out his/her teeth in order to give a gumjob because it gives them pleasure.
"This mah-fuckin' crack whore gave me the best gumjob ever. That toothless bitch gnawed on my cock for hours!"
GUM- Gums (no teeth)
JOY- Pleasure
Gumjoy is when a young ATTRACTIVE female puts her mouth on a guy's cock and sucks repeatedly until the guy reaches orgasm without using teeth. Gumjoy is different in regards to a blowjob giving Gumjoy is a pleasurable for both parties involved and not seen as a chore.
Young attractive women please pay attention to the whole penis, not just the head. Ensure you swirl your tongue around the tip whilst pumping his shaft with a closed palm. Lovingly massage his balls and always attempt to deep throat.
Also make sure to change the speed of your cock sucking. Make sure you show your lover that your sole purpose in life is for your man to come in your mouth and it is your top priority in life.