To get a blow job by someone who no longer has teeth, thus gnawing on you're wanker with his or her gums.
1. Damn nigga, yo grandma spit out her false teeth and gave me a muh'fuckin gumjob!
2. Damn shasta, I was changin yo baby's diaper and I just maneuverd my thang into its teeny lil mouth and it sucked ma dilly like a pacifier!
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