Collegetry

6 clues
Valiant effort
All-out effort
Serious effort
All-out attempt
Give it the old ___
Wholehearted effort
Similar answers:
Acollectionofpackrats
Allsoulscollege
Ampcollector
Antiquetaxcollector
Artcollection
Artscollege
Ashtraycollector
Barbcollege
Barnyardcollege
Billcollector
Bodcollege
Bostoncollege
Brooklyncollege
Bugcollection
Businesscollege
Callcollect
Cigarbandcollection
Coincollection
Coincollections
Coincollector