I need to get my brother back whats a good prank?

alright SO today i left my facebook open and my brother was over when i came back in my little cousin asked if she could get on and someone had went to a game.. so i singed out and let her on after a while my phone went off it was some friends commenting on a status saying gay.... then another one said xD then someone posted Im gay to... sooo i got on and he posted something saying " i love______" it was one of my Buddy's name im going to stay at his house tonight what can i do to get him back ?