a little dab'll do ya

a little dab'll do ya

or

a little dab will do you

AMERICAN, INFORMAL
People say a little dab'll do ya or a little dab will do you to mean that a small amount of something is enough. The thing to remember about cooking with shrimp paste is that a little dab will do ya. Note: This expression was originally an advertising slogan for hair cream in the 1960s.
See also: little, YA