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1.
L1
In the world of Escorts and Spa/Studios, L1 is shorthand for "Level 1" - or a hand job. (see L2, L3)
The only service she offers is L1
by Lonny Xavior August 23, 2006
 
2.
L'1
leave one (as in like text message) usually used on bbm or facebook.
on crackberry messenger (bbm)
jenn's status: going to sleep L'1
karl: hey(:
jenn: thanks for L'1ing <3

get it, because karl left her a message for when she woke up in the morning.
by squashburger November 12, 2011