knot
https://e621.net/posts/3192436   United States
 
 
The bulbus glandis (also called a bulb or knot) is an erectile tissue structure on the penis of canid mammals. During mating, immediately before ejaculation the tissues swell up to lock (tie) the male's penis inside the female. The locking is completed by circular muscles just inside the female's vagina; this is called "the knot" tightening thus preventing the male from withdrawing. The circular muscles also contract intermittently, which has the effect of stimulating ejaculation of sperm, followed by prostatic fluid, as well as maintaining the swelling of the penis and therefore the tie, for some time. For domestic dogs the tie may last up to half an hour or more, though usually less. When male canines are sexually excited, the bulbus glandis may swell up inside the penile sheath, even if the dog has been neutered.
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Охота Крепкая №1 31 mei 2023 om 9:53 
Cлава Русиje смерть хохлам :finkankvd:
Botclone 14 jun 2022 om 12:54 
this guy stinks i think
RIZAs 30 dec 2020 om 22:35 
i diagnose you with big gae
Geminy 15 jul 2020 om 13:50 
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HorseTV 26 dec 2019 om 14:30 
i sure do love me some knots
aunt jemima loyalist 5 dec 2019 om 17:20 
The mission of the United States Coast Guard is to ensure our Nation's maritime safety, security and stewardship. We will serve our Nation through the selfless performance of our missions. We will honor our duty to protect those we serve and those who serve with us