has·sle 
(hăsəl) Informal
(hăsəl) Informal n.
1. An argument or a fight.
2. Trouble; bother.
v. has·sled, has·sling, has·sles
v.intr.
To argue or fight: customers hassling with merchants over high prices.
v.tr.
To bother or harass: street gangs hassling passersby.
[From American dialectal (Southeast) hassle, to pant (as from exertion), perhaps of imitative origin or akin to British dialectal hassle, to hack at, saw away at with a blunt blade.]