the ways "boost" do is that 2 or more players work together to send one of them to an upper area in a place where he can hardly reach by one-man power. Such as stand streight on another guy's shoulder can help you jump higher--maybe to the uper storage--then you may show up at an unexpected spot to attack your opponents off guard.
-boost me to the 2nd floor!
-watch out, they may boost your back.
Rusty: Dude, I'm just gonna lie down for a couple of minutes.
James: Screw that! You need a boost!
2. To lie. Usually not used as a verb but as a interjection. It is mostly used to call someone else out on what you believe to be a lie. The proper way to call boost is to get as close to the liar's face as possible without touching them and scream BOOST. Similar to Bull Shit, but different.
Girl 1: We didn't do anything! I swear!
Girl 2: Swerve!! Stop boosting!