A ski cap rolled up so it just stays on your head. It looks like you're wearing a large barely unrolled condom with-out a tip.
by Babarakus April 11, 2011

by klm21 September 24, 2009

placing a plastic shot glass on top of someone's beer without the person holding said beer realizing it.
Casey spilled his beer all over himself when he didn't realize that people in the bar were yamakaing.
by TucanSamwitch April 29, 2009

Person 1: "Do you know where he's from?"
Person 2: "Well it looks like he just came from Israel."
Person 1: "How do you know that?"
Person 2: "He still has a yamaka stain."
Person 2: "Well it looks like he just came from Israel."
Person 1: "How do you know that?"
Person 2: "He still has a yamaka stain."
by Jolie8911 January 24, 2016

by Jayballs702 February 25, 2024

by OwOwhatsthat November 22, 2019
