'Hit my phone up' used only by people called Justin Bieber in songs. It simply means 'hit me up' or even more simply 'call me' or 'text me on my mobile telephone' but that wouldn't cut it as a lyric in his song.
Friend 1: 'Hey do you fancy going out tonight?'
Friend 2: 'yeah sure hit my phone up whenever you'reready'
Phrase meant to imply that a person isn’t masculine enough to handle a situation in a manly way and that they should therefore handle the situation in a way that someone feminine enough to carry a purse would.
Edgar: Man I have tried and tried and I just can’t get this CV axle out of the transmission. Do you have any idea what I’m doing wrong? Do you know of any tips or tricks I can use?
Jude: Hit it with your purse.