My moms friend [F]30 flirting with me [M]19 year old

Hey, So basically my mum sometimes makes random partys and i sometimes get included in to them. However last night my mums friend was really comming on to me, Kissing, Dancing, Dry humping so on. There was quite a lot of people but she was really going for it with me (Wont lie got a boner couple of times). Since this is internet i can admit i have a little **** fetish but what 19 year old does not. Basically my mums friend invited me to come with her to europe trip in 2 weeks, With other 9 girls and 1 other man. I am tempted to go and even message her, this might sound odd but my mom is encouraging me to go even tho i told her this. OFC my mums friend went though a tough break up around 2 years ago. but i am really tempted to pursue this as a CASUAL relation ship / Friends with benefits hehe as i do not want to get in to dating .What do you guys think is this wrong? I have "dated" an 25 year old with a kid and it was the best thing i ever done but she had a kid and i decided not to take it too seriously.

run......away..... dude i'm telling you if this lady is down to chase a 19 year old, you're scraping the bottom of the barrell. Your mum, all due respect, isn't wise at all, telling you to follow through with it.

A word for the wise.

Worst part is how your mum is encouraging it