adj, adv - used to describe how
weak something or someone's action is. Alternately, may be used simply as an
insult, usually in specific situations where the standard run of the mill curse
words simply wont suffice.
Ex 1 -
Girl: Hey, let's hang out this weekend.
Guy: That aint gonna happen cuz Im not
even in the same state. I moved back
home.
Girl: That's lamesauce!
Ex 2 - Dude you are such a lamesauce terdnugget!