Short for suck a left nut
Originated from WWI when soldiers would send a message to the opposition via morse code to express there satisfaction at destroying enemy planes or boats. That message would be SALN
"Hey mate, saln"
© 1999-2015 Urban Dictionary ®
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.