When you are not feeling well or hungover and sex would help.
She needs a shot of peniscillin.
by Amalia R October 24, 2006
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When your not feeling good and medicine isn't gonna help . Resort to the long lasting cure of dicken her down
She's had a long day and isn't feeling good , she needs some peniscillin
by imjustadogdontblameme August 10, 2016
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The cure for the common "Can't have sex now honey, I have a headache!" excuse.
Boy: I'm on my way, hope you'll be dressed sexy and ready for me when I get home.

Girl: Oh honey, I can't have sex tonight. I have the worst headache. I must be coming down with something.

Boy: Don't worry baby, I'll give you the proper dose of Peniscillin which cures everything!
by HollyWood90027 December 27, 2011
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Available only as a prescription, a medicine used to cure all dick infections.
Before the doctor put me on peniscillin my cock felt like it was gonna explode.
by SenseiTheLegend November 2, 2022
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