Similar to being redpilled but instead of hating and resenting women you've learned to love and embrace the "coomer" lifestyle and an appreciation for semen; may also refer to an individual who has decided to devote their lives to Gang jizzling and has accepted Harry Jizzler as the one true savior.
"Wow I just got done looking through the r/trapsarentgay subreddit and I think I'm officially jizzpilled!"
Most commonly used as a name for a Based boomer, or a boomer that has achieved enlightenment through the use of White Claw alcoholic seltzers
Also refers to a hairy penis
Me: I love Harry Jizzler
Also me: I love Harry Jizzler in my mouth