whilst in the act of anal sex, the person penetrating releases themselves into another's arsehole. Once the penetrator has completed his sexual conquest, the penetratie defecates, creating a sprog bog.
The Jonas brothers were all attempted sprog bogs.
by honkyjoejoe May 28, 2015
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The act of masturbating whilst having a shit at the same time.
I went into the toilet straight after Patty the other day, all the toilet paper was gone, he must have had a bog n' sprog.
by KinksKPW August 12, 2009
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is a popular Italian dish consisting of meat sauce served on a bed of spaghetti, often with a good sprinkling of grated Parmigiano cheese. Although Sprog Bog is very popular outside of Italy, it never existed in Bologna.
Child: What is for dinner?
Mother: Sprog Bog
by Captain Feathercunt April 04, 2012
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(n) Maternity or paternity leave, watching the sprog (child).
Oliver: "I'd have to run it by Ian first."

Tracy: "Ian? Why? He'll be off on off sprog watch."
Dialogue from "The Archers" episode on BBC4 radio on 10 September 2019.
by TexasListener September 12, 2019
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