Definition of a cooler is a hand you can't get away from. they could of easily got away from 33 or 77 preflop. it is not applicant that they hit their set after the board came out because their decision was already made to be all in preflop.
cooler
A case in which playing a strong hand (often the second best) that normally justifies the maximum bet is beaten by a still stronger hand.
this is what I got form the glossary of poker terms
20:58 <Poof> I would trade my husband for gisele
18:37 <thepokerkid> @thepokerkid: and stop thinking about gay things