When someone consumes copious amounts of seaman via their anus that their next stool is majority seaman.
Mel: I have been taking it up the backdoor so much lately im shitting nothing but sprog logs.
by Adzey_jenno March 31, 2016
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someone who is known to eat the penis and swallow sperm
david, you're such a sprog muncher
by aagg April 9, 2008
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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 29, 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 13, 2009
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a self proclaimed progressive that puts there progressive beliefs through a “filter” resulting in a watered down “filtered” version of a progressive agenda. for example “medicare for all who want it” is a sprog position.

sprog is a combination of the words “sponge” and “prog” (sponges, both the object and the animals are things that filter and change things)
destiny is by far the most annoying fucking sprog there is
by progressivenoa March 10, 2023
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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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Daddy, why were you and Mummy making so much noise last night?

Ah don’t you worry Son, Daddy was just having a go on the sprog flume
by Tominator May 22, 2023
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