Oviposition 

A kink that involves laying eggs into someone, usually involving aliens, bugs, tentacles, etc. and can be seen occasionally in hentai. There is a large amount of art involving it on tumblr, and is commonly associated with the inflation kink.

“Hey what are you into?”
“Oh I’m into oviposition. I have a few egg dildos.”

Oviposition by TheHogHeSins May 16, 2018

oviposition 

Oviposition is the process of laying eggs.

Such as the ones laid by fishes, amphibians, reptiles, birds and monetremata.

Parturition for reptiles involves oviposition

oviposition by Psysaturn April 3, 2009

Oviposition 

An oviposition fetish involves inserting eggs made of gelatin, silicone, or glass into the anus or vagina. A dildo called an ovipositor; may be used to aid in this process. The eggs are later expelled from the anus or vagina to create a unique sensation that many people love.

Primal Hardwere is a company that sells lots of oviposition dildos.

Oviposition by The Observer (kadenbane) December 4, 2022

Oviposition 

noun
1. the means by which animals, generally fowl, lay eggs
2. a term used in reference to girls who spend most of their time on the couch watching reruns of reality TV shows in which they are compared to hens laying eggs

This bitch is so lazy you'd think she's in oviposition.

Oviposition by SeymourBalls June 7, 2017