Silver back action is the term used for a male who has used weight training to build muscle on their lower pectoral, resembling a silver back gorillas muscular chest.

Also known as man boob muscle
I've been hittin' decline bench in the gym for about 3 months now and I've got that silver back action
by Strenghtandgain January 15, 2014
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When during a sloppy blowjob the blower gags twice then vomits profusely, whilst tossing their head back, either causing a mess or an orgasam. The 4 Billion referring to how many nightmares the blowee will be having.
"Damn bruh last night my girl gave me the Double Glob Glob 4 Billion with "Toss Back™" Action".

"Really?"

"Yup. I took her off my life insurance."
by DG7205 October 29, 2020
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This means doing things in realtime, back to business.
I just got back from New York now I am back to live action in my town.
by Tommy & Timmy B February 7, 2023
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