Shat my dacks

'Shat my dacks' is the past tense for 'Shit my dacks'. This term is commonly used when someone was scared shitless when looking back on past events.

Morgz: Oi dickhead, we're gonna go see IT Chapter 2 on Friday night. You coming?
Dale: Ahh fuck I dunno aye, last time I watched a horror movie, I nearly shat my dacks... not a good fuckin time.
Daryl: *laughs hysterically*
Teacher: THAT LANGUAGE DOES NOT RELATE TO THE GEOGRAPHICAL CHANGES IN BUSINESS, DALE!!!!!
*class laughs so hard they all shit their dacks*