The barbershop does do adult cuts, I am not sure how "trendy" they can get though
Here is some info for you.
Hours are 9 a.m. to 5 p.m., seven days a week.
Cost for a haircut is $19 for adults and $15 for children 12 and under. Colored hair gel, $5. Beard and mustache trims are $10. "First Haircuts" is the establishment's specialty.
Other spots for a haircut around Walt Disney World (these places take appointments):
--Contemporary Resort: American Beauty Shoppe and Captain's Chair, 407-824-3411
--Coronado Springs Resort: Casa de Belleza (House of Beauty), 407-939-3965
--Grand Floridian Resort & Spa: Ivy Trellis, 407-824-2581
--Yacht and Beach Club: Periwig's, 407-934-3260