Gaming 40th Birthday design. Level 40 Unlocked Gaming Design - Funny birthday gifts for 40 year old men. Makes the perfect 40th bday gift idea for him. Forty Year Old Boy Birthday Gifts. Age 40 man clothes. Happy 40th birthday present for son, dad, uncle, friend turning 40. Unique 40 birthday video gamer decorations party supplies for men. Born in January February March April May June July August September October November December 1983 Outfits. Lightweight, Classic fit, Double-needle sleeve and bottom hem