As a youtuber said
A birgin is
"One who Birgin's in the feeeeild. One who Birgin's them selves with Birgins in the flower feilds."
"I love flowers I birgin alot!"
"Me too"
burj - in
A virgin Bird or a Bird that never fucked another bird.
"Hey! look, it's a birgin bird! they never fucked!"