What's the difference between pulsing and throbbing? (PMs welcome!)

Blowjob and throbbing cum in mouth from three perspectives, hope

Blowjob and throbbing cum in mouth from three perspectives, hope

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(61) my cock is pulsing and throbbing dreaming of pussy. whi

(61) daddy’s cock is pulsing and throbbing dreaming of pussy.

(62) precum running down my pulsing and throbbing cock. does

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