When one guys thinks he's hanging out with a few guys and girls, but he's the only guy who shows. So, it's him and at least 5 girls hanging out.
Dude1: whoa dude look at that guy and all those girls!!!
Dude2: yeah he is definitely pulling a willfoster!
Dude2: yeah he is definitely pulling a willfoster!
by dude11213 April 26, 2009
Get the willfostermug.