When giving oral sex to a man, and you insert his scrotum in your mouth as well, then shake your head back and forth as if your shaking your head no.
I gave my husband a wobble jobble last night.
A rare rat circus from southern Bulgaria where 100 rats stand on eachothers shoulders
Man1: where the wobbly jobbly
Woman2 (not too assume genders or anything) it’s over yonder you see that 100 rat high tower