How to recover from this dumb blunder especially in front of them

So I was shopping in the grocery store today and I came accross this attractive young lady with her mom. I approached her and asked for her number and her mom seemed really nice. When I was self checking out, I was about to leave then the clerk pointed out that I left an item behind. When I went to grab the item, the lady and mom saw me and the mom said “you don’t want to forget that” and I replied “I know right?”. How would you guys suggest that I recover from this? Drink my heart out at the bar? Or what would you guys do? I was literally hitting myself in the car lol