boop-ding
while craig was enjoying his chance to jerk-off, he had to get back to work, so he gave himself the boop-ding and finished up quickly
stimulation of the prostate of a man with a finger, normally the index finger, in order to create an intense, explosive orgasm
"while craig was enjoying his chance to jerk-off, he had to get back to work, so he gave himself the boop-ding and finished up quickly" What is the definition of "boop-ding"?