If you thought your bar tab was bad this weekend ... there's no way it topped Bruce Barnum's -- 'cause the Portland St. head coach revealed this week he dropped $14,000 to pay for fans' beers on Saturday!!
The coach -- who promised supporters he'd pick up ALL of their suds if they showed up to PSU's game against Western Oregon -- showed off the receipt Tuesday ... and it's pretty staggering.
Barnum ended up paying $14,448 for 786 Deschutes Fresh Squeezed IPAs and 1,260 Coors Lights -- a fairly shocking number, considering only about 3,000 fans showed up!