Jeffrey Thundercock is a sexual reference.
It means a man who is sexually attractive or sexually successful with women.
JEFFREY THUNDERCOCK: DEFINITELY STRAIGHT
Kind of like a gremlin but it’s a dude who fucks anything that walks.
I knew the bitch was fat but I still fucked her because I’m a Jeffrey
When you actively avoid every and any form of necessary social interaction that involves making plans for other people such as friends, family ect. This involves waiting to the last possible second to put together slapdash plans and excessive amounts of procrastination generally initiated by a male specimen.
Jane: Andrew is putting off our holiday planning. We only have a week before we are supposed to go. He always does this!
Ariana: Sounds like your man is Pulling a Jeffrey
Jeffrey, a really gay guy with a huge nose that most kids make fun of. Hes a tru nibba and is really good at video games. He will be a virgin all his life and loves to masturbate to his classmates photos on schoology. But all in all his dick is really tiny, but his heart is big.
Girl: omfg jeffrey is so gay
Guy: ikr.
Girl: his nose is huge