Dennis Oliver's Idioms: J
jump all over someone: severely criticize / find fault with
A: "What's wrong with Joe?"
B: "He's feeling bad because his boss jumped all over him this
jump the gun: do something before it's time to do it.
A: "How did Marsha know about the party? It was
supposed to be a surprise."
B: "Chuck jumped the gun. Without thinking, he said, 'I'm
bringing the cake at your party;
I hope you like it!"
jump to conclusions: decide something too quickly and
without thinking about it or
considering all the facts.
A: "Angela just doesn't like me. She won't even say
B: "You're jumping to conclusions. Actually, she's very shy."
junk mail: unsolicited mail (usually advertisements for
something you're not interested in).
"I didn't have any letters today--only junk