Non-penetrative sex involving the rubbing or grinding of the underside of a penis between the labia majora to produce both penile and clitoral stimulation, usually with the partner with the vulva on top. Related to the word "fucking" but is softer as it is non-penetrative. For the anal/intra-gluteal version, see "Hotdogging".
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"
EBK stands for "Elite Ball Knowledge." 1 In internet slang, "ball knowledge" originally referred to a deep understanding of football/soccer or basketball, but it has evolved into a broader term for having a highly sophisticated, deep, or niche understanding of any specific topic (such as music, movies, or subcultures).
Person A: "That scene was a direct homage to an unreleased 1982 Japanese indie film."
Person B: "Wow, EBK."