When a guy had been drinking and cannot get it up, but tries, thinking "if I can just get it in it will get hard" his penis creating the feeling of a gummy worm on the womans vagina and/or leg.
"Ricky was so drunk last night that he just kept gummy worming me and we never went all the way "
by Rallytime May 14, 2013
The act of or having oral sex in the form of a "blow job or head".
I was just gummy worming.
by Grace Freeedong July 07, 2006