gun for

• POS: Verb (intransitive)

CIDE DICTIONARY

gun for, v. t. 

•  To pursue with the intent to kill.  [PJC]
•  To make an effort to harm someone, especially with determination; -- also used humorously.  [PJC]

THESAURUS

gun for

angle for, ask for, beat about for, charge, cock, delve for, detonate, dig for, discharge, drop, eject, fell, fire, fire off, fish for, follow, go gunning for, gun, hit, hunt, hunt for, hunt up, let fly, let off, load, look, look for, look up, pelt, pepper, pick off, pistol, plug, pot, potshoot, potshot, prime, prowl after, pursue, quest, riddle, search for, see to, seek, seek for, shoot, shoot at, shoot down, snipe, still-hunt, strike, take a potshot, torpedo, try to find