look up any word, like cunt:
 
1.
A slang term for the endangered Russian Mountain Goat, a primary target of Goatsex.
Bindi gave a Korean BJ to Seabiscut's Junior Fatu.
by Joey Orgler October 21, 2007
 
2.
when 2-4 people masturbate in-front of a cookie and the last one to produce sperm on the cookie has to eat the cookie
dood do you want to play sea biscut
by ryan6976 January 25, 2009
 
3.
The act of farting while wearing a wetsuit. The fartbubble travels up the suit and expels through the collar making a fart like noise.
Dude! That hot blonde just ripped a hotdog flavored sea biscut.
by Crass October 12, 2004