by Mark May 29, 2004

It's when men's nipples look like oversized pencil erasers. Permanently hard. If they're wearing a t-shirt you can see nipples from down the block. Sometimes they're natural and sometimes extreme nipple play and pinch twisting can make them that way after a long period of time.
by Clara Fication June 5, 2016

When I went to school in the 30’s, at the end of every day a couple of students were assigned to knock that day’s build up of chalk dust from writing on the blackboard. So, they would go outside and clap two erasers together for a couple of minutes to knock out the chalk dust.
by Amicare June 19, 2020

by Reggoo June 16, 2018

When two dudes go back to back and hit theirs butts together so that their boners clap between their legs.
by Buttz4dayz February 9, 2015

by deftonepiper October 28, 2008

Any alcholic beverage, particularly red wine or tequila, which causes a woman to have a one night stand.
Dude 1: "That chick drank a whole bottle of wine."
Dude 2: "She's mine dude, the magic panty eraser will be kicking in any minute now!"
Dude 2: "She's mine dude, the magic panty eraser will be kicking in any minute now!"
by OhioPUA December 19, 2007
