1 definition by B-ry Daw

No,not like the resturant. The act of a girl jerking a man off, then quickly switching to giving him oral pleasure so that he may reach orgasim, hence the acronym JNS Jack-N-Suck.
I Was feeling very horny and asked the lady if she would preform a JNS on me.
by B-ry Daw January 31, 2009
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