(North America, informal) To double-cross or betray (someone).
LLY | Eli Lilly and Company (NYSE): ⚡ Uptrend: 4H SWING CROSS UP: LLY (EMA 20 crossed above EMA 50 - 4H)
Which was kind of my point... they throw the cross up as a false signal to say, "hey, I'm a really good person" and then do nothing but evil shit...
(North America, informal) To double-cross or betray (someone).
(slang) To let down, fail or disappoint (someone); to go back on a promise to (someone).
Add your own interpretation of "cross up".
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(transitive, slang) To lie to or betray (someone); to deceive or scam (someone).
(idiomatic, transitive, AAVE, graffiti) To disrespect (someone) by covering up or painting over their graffiti, especially their name.
(slang, intransitive) To collapse or break down from either physical or psychological problems; to die.
(slang) Crossfaded.