1 definition by MaximusS01

Top Definition
The feeling you get when your stomach sinks to your arse hole about some vitally important thing you were supposed to do.

Equally you may also experience a smetch when a larger, harder man approaches you for a fight and your arsehole expands in fear.
"Dude i was driving in my car and i hit an old woman last night"

"NO way dude"

'Yeh! i was smetch as fuck!'
by MaximusS01 December 01, 2011
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