is used to let someone know just how lame he/she is.
dude, that guy is the effervescent 'cause his pants are the suck.
Noun: A person who is very lame.
person 1: hey you know that kid named ben?
person 2: ya what about him?
person 3: he is such a lamepants....
(gb)- one that constantly displays stupid, lame, or uncool actions.
person1- "hey, wanna go to the movies?"
person2- "sorry i cant. i have to go knit with my mom."
person1- "you're such a Gayboob."