Definitions by SBNR

Hamas 

to Hamas is to:

1.) to shoot down someone else's decision
2.) to disagree

"want to go to Denny's?"
"NAH, let's go to Togo's"
"ok fine.."

(third person)-"Dude, you just got Hamas'd"

or in disagreement:
"Hamas!"

Hamas by SBNR January 11, 2009