Definition
to request something from someone
向某人要求
I need to borrow some money, so I'm planning to hit my friend up to see if I can request it.
我需要借一些錢，所以我打算向我的朋友開口，看看能不能借到。
If you have any questions, feel free to hit me up; I'm happy to help.
如果你有任何問題，隨時找我；我很樂意幫忙。
She wanted to invite me to the party, so she decided to hit me up for my thoughts.
她想邀請我去參加派對，所以她決定問問我的想法。