look up any word, like blumpkin:
 
1.
adv. from the end : what precedes comes from the speaker's end or ass because of vanity or pride and what follows is more or less the actual truth of the matter.
I thought seriously about going to Harvard buttultimately attended the local junior college.

Our defense played their hearts out and really showed determination buttultimately we couldn't stop the run and they kept scoring.
by onehandcrabbing January 12, 2012