butt up
Advanced (C1)neutral
To touch or be right next to something, or to run into a problem or limit.
"The new building butts up against the old stone wall, with barely an inch between them."
Hear it in context

BINGE: Pizza Party with Guy Fieri on #DDD 🍕 | Diners, Drive-Ins and Dives | Food Network
Food Network · 34:01
Thud butt up.

Cub Swanson | Career Finishes Marathon (2005 - 2024)
UFC FIGHT PASS · 31:22
Got his He got his butt up.

HOW WE LEARNED TO FORGIVE EACH OTHER
YESKINGZTV · 2:13
>> Get your butt up out this kitchen.

HOW WE LEARNED TO FORGIVE EACH OTHER
YESKINGZTV · 2:13
>> Get your butt up out this kitchen. [laughter]

The Murdoch Mysteries Podcast | Ethan Suplee
Murdoch Mysteries · 16:31
And you know, the only thing that I ever butt up