The story
For the US slang sense, compare jump (“attack suddenly and violently”).
Etymology from Wiktionary, CC BY-SA 4.0.
jump in
Today it means: To enter something quickly, usually a mode of transport. Full definition →
Today it means: To enter something quickly, usually a mode of transport. Full definition →
For the US slang sense, compare jump (“attack suddenly and violently”).
Etymology from Wiktionary, CC BY-SA 4.0.