What is 51?
1.
A joint made of 51% weed and 49% cocaine.
Hey dude let's smoke a 51.
2.
a joint with $1 worth of weed and $5 of freebase.
why don't you roll up a 51, boo.
3.
Number of states many people seem to think the USA has.
"The usa has 51 states"
See
4.
A cappuccino - see
"Get me a 51"
"Sure"
5.
means victory and luck
lottery and david not being gay