What is Act Your Age, Not Your Shoe Size?
1.
Stop behaving immaturely. Said to adults who are acting like overgrown children and to school-age children who are acting like overgrown toddlers.
It's time for you to get serious and stop being silly. Grow up, pal! Act your age, not your shoe size!
See
Random Words:
1.
The top of a penis
John whipped out his Vaders helmet
2.
Used to describe the head of a mans erect penis as it looks like Darth Vader..