Words grown adults should use

twenty two skedoo

lollygag

cattywhumpass

wahoo

shlong

sonny, son, youngsta, grownies

Homo erectus

responsible, savings, planning, organization

overrated

*kitten*, gunt

i've always enjoyed the use of douchebaggery. I have liberally applied it to certain people in my life. like "wow. the douchebaggery abounds here."

Someone already called douchecanoe, so...

twatwaffle.

poppycock!

well hell why don't we just go with: (DRUM ROLL PLEASE!!!!)

antidisestablishmentarianism

Piffle
Balderdash
Fornicate

derpdom, derp, derpwad

hurrrrr...