To offer your friend the company of a woman whom you met on the internet but lost interest for in person, only to rescind the offer out of desperation as the night comes to an end
I thought I was going to get laid but then he Pull a Manny on me and took her back to his place
-A person who is over the top or being completely ridiculous
-Someone who has pushed you over the edge and become quite a problem
1."Wow she just stole my seat, what A Mandy":
2. Hey look at that girl wearing a teal puffy jacket what A Mandy
3. "Would you like to go on a date with me to Wendy's" Fuck no you are such A Mandy