All it takes is a little drinkLike this stanza. It dilutes the theme of "drinking and driving", plus, the last line is too long; you lose all sense of rhyme.
to take away what you did
just a few more to go
until you’re at home beating your kids
All it takes is some beerThis is nice idea to rhyme, but the second line is too short and throws it off.
to loosen up,guy
but it also takes just a little buzz
to get in an accident, and die