1. It's on me. (= I'll buy you a drink) 2. I'd like to make a toast. (= I'd like to honor a person/event/idea) 3. Here's to... (your health / the New Year / our success)! 4. Another round of drinks, please. 5. Put it on my tab. (tab = bill to pay later, before you leave) 6. He's a bit tipsy. (= a little bit drunk) 7. He's completely sloshed/wasted/plastered. (= completely drunk) 8. She's trying to drown her sorrows. (= drinking alcohol for relief from pain/sadness) 9. I'm the designated driver. (= I'm not drinking alcohol because I will drive other people home later) 10. I had a hangover. / I was hung over. (= the bad feeling you have the morning after drinking too much)
If you need to get some distance from your phone for a self portrait, you can actually use your headphone as a shutter release. And if you are looking for a small tripod you can try this credit card tripod design here, or any of those nifty, albeit more complex, designs.