A toy. Not to be confused with "Jack in the box", a fast-food restaurant.
Baby Hugo cried whenever he played with his Jack-In-A-Box. Every time Jack popped out it frightened him. Bad Jack!
When you have an erection that your girlfriend doesn't know about and you whip it out of your pants and show her your hard on, usually with a really pleased expression on your face.
I was lying in bed reading the other day when Rob pulled down the sheets and sprung his jack in a box on me!
When a girls fists herself and then you put your dick in too and she gives you a handy.
I went to a donkey show in Tijuana and the girl really stepped up her game by giving the bachelor a Jack In A Box.
One of the best fast food restraunts out there. An actual clean restraunt other than hardees or mcdonalds. They make quality food.
Im gonna get me a chicken fajita pita from jack in the box.
While you are 'jack'ing off, someone walks in on you just as you are climaxing and you ejaculate on them.
Sexy man 1:Dude did you see that American Pie?
Guy 2:Oh yea the one where stiffler pulled a jack in the box all over his grandma!!
A bi- or homosexual male who has not yet revealed his sexuality publicly. "Jack" refers to the character from Will & Grace.
Kevin makes more passes at guys than a quarterback, even though he's with Kerri. Do you think's a jack in the box?
A man with a inverted penis or a women with a engorged clitoris.
your moms got a really big clit, i think she's got a jack in the box
went down too 138th st, looking too find myself some heterosexual intercourse "man on women love", wound up with a jack in the box. SURPRISE!!!