n. An illegal car manuever where the driver of a 4WD vehicle causes the rear tires to swing back and forth leaving fish tail-shaped tracks, often to create a dust cloud for anyone who might be following.
by wayfarer April 28, 2005
by Austin Thatcher July 09, 2009
Similar to a wedgie. The perpetrator sneaks up behind the victim and quickly inserts his fingers in between the victims ass cheeks, hitting the sensitive skin and putting tension on the victims cheeks and anus. If done correctly can be extremely painful, however should only be done in a joking manner among friends.
Mike: Damn I was walking in my living room yesterday, and Dana fucking fishtailed me so fucking hard.
Dave: Damn, that sucks dude. I hate Fishtailing
Dave: Damn, that sucks dude. I hate Fishtailing
by Yazo April 18, 2013
by Geezy42 December 09, 2006
Tawny: Man I was talking to Pete yesterday then I went to the bathroom and noticed I was fishtailing!
Olga: How embarrassing!
Olga: How embarrassing!
by M-ah October 21, 2007
When you are having unprotected vaginal sex from behind and when you pull out and climax, you take a couple steps back, then run up behind the female and slap her on the ass with your jizz covered penis.
by FishAndSmitty April 27, 2011