To share one's opinion, idea, or point of view, regardless of whether or not others want to hear it. ("Pennyworth" is a contraction of "pennies' worth.") Primarily heard in UK. Jeff always has to put in his two pennyworth, even when it's clear he knows nothing about what's being discussed. If I can just put in my two pennyworth, I think the staff would really appreciate a bump in their pay, and productivity would increase as a result.