to have a good time
to have a blast
spending time with friends and relaxing
chilling (out)
someone who says they will do something but does not do it
flake
a person who acts as the leader
quarterback
to not do what you say you will do
flake out
saying nice things to someone in order to get something in return
ass-kisser or to kiss (someone's) ass
used to greet someone or get their attention
yo
okay and willing to do something
be down
showing other people your bare butt
to moon
an unxpected or unplaned pregnancy
knock (someone) up