Something, typically a certain behavior, will not help someone progress or succeed in any way. Watch the video
be not just another pretty face
To have distinguishing achievements, intelligence, skills, or abilities beyond what was or may have been assumed. Watch the video
junkyard dog
An especially nasty, vicious, or savage person or animal (especially a dog). Of a person, often used in the phrase “meaner than a junkyard dog.” Watch the video
jungle telegraph
An informal means of communication or information, especially gossip. Used most commonly in the phrase “hear (something) on the jungle telegraph.” (Analogous to “hear (something) through the grapevine.”) Primarily heard in UK. Watch the video
jump in (one’s) skin
To start or recoil, as from shock, surprise, or fear. Watch the video