The day after a girl has finished her period, then has sex, the next day she bleeds a little more.
I had sex last night with Jon and this morning I was bleeding again I guess he tapped the Ketchup bottle.

My husband was tapping the ketchup bottle to get the last bit out. I was very happy he did!

We were tapping the ketchup bottle and the kids woke up.
by iva pad February 9, 2011
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Grasp your penis firmly with one hand. Squeeze as hard as you can until the head of your penis pokes through the top and is ripe in color to the point your finger leaves an impression when poked. While still squeezing take your other hand (open palmed) and begin vigorously slapping the head of your penis in short quick but firm slaps. The slapping noise should resemble the sound you make when slapping a ketchup bottle. The point of this is to numb your penis to the point it feels like you are jerking off another mans penis.
Eric: "Yo bro."
Fred: "Sup"
Eric: "Have you tried to ketchup bottle yourself yet?"
Fred: "Dude I ketchup bottled my dick so hard last night, it felt like I was jerking off Channing Tatum!"
Eric: "My Nigga! Love that bro!"
by Ketchup Bottle Bob December 4, 2012
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When a guy goes down on a girl and she starts her period and she queefs in his face.
Dude I hooked up with Lacey last night, all was good until she empty ketchup bottled all over my face queef
by FurryWarlord December 5, 2016
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The Empty Ketchup Bottle is when a girl queefs while on her period, giving the visual and sound of an empty ketchup bottle
She queefed and shot blood over her pants like an empty ketchup bottle.
by NJMike May 1, 2012
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When you have sex with someone and the next day they start their period
I would, but last night you smack the bottom of the ketchup bottle
by wurldeater August 24, 2020
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Where you ejaculate into your lady’s vagina, blow into it, have her jump up and down and squeeze her stomach like a ketchup bottle
My boyfriend gave me a Midwest Ketchup Bottle last night, so I highly doubt I’m pregnant.
by Lordmegatron August 21, 2018
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