Whilst giving a blowjob / hand job, one should NEVER neglect the balls. Neglecting the balls can be very dissatisfying for a male.
Man 1: "Man, she was the worst blowjob I've ever had"

Man 2: "Why's that?"

Man 1: "She neglected the balls dude..."

Man 2: "OOOOO, I feel for you brother. Never neglect the balls"
by SevenDwarfs434 January 15, 2014
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