A Sonic employee told Abilene police that a customer pointed a gun at him for taking too long with their order.
The incident happened around 8:45 p.m. Sunday at the Sonic near Barrow and S 14th Streets.
The victim said he feared for his life.
Police took a report for aggravated assault with a deadly weapon.
A suspect was contacted, according to police.
No arrest has been made at this time.