What is 1620?
1.
Noun.  Underage, usually female, potential sex partner.  Although she is a hot 
Step off that 1620, man, she'sjailbait .
2.
under aged girl/boy that you have sex with that will get you sixteen to twenty years in jail
or a sixteen year old girl/boy that you have sex with that will get you twenty years in jail
robert is fuckin around with that 1620.
Random Words:
1. 
extreme skill in a certain area
"psh you cant run"
"fool,i got walks out the gym,of course i can run"..