1.Someone who is stuck inthe phase between being lame and completely retarded and uses dude in every sentince.
2. A person who licks a leaf and sticks it on their forehead.
1. Dude:"Duuuude, that dude has like an awesome gb. Duuuuuude!"
Guy: "Dude, you're such a lametard."
2. She's such a lametard that she stuck the poison oak leaf on her forehead.