fumblescrew 

The act of trying to make it look like you know what you're doing in a given situation, while in reality, you have no idea how to proceed.

Stop fumblescrewing around and look it up!

fumblescrew by Gman-Cat Wrangler April 28, 2008

Fumblescrote 

Fumblescrote. Adjective. Pub toilet. Panic. The act of frantically trying to recapture the waistband of one's pants from between the ballbag and the base of the zip, having slipped from the grasp of the thumb, blocking the imminent flow of piss moments before release.

'I made it to the toilet, but my thumb slipped and I suffered Fumblescrote'.

Fumblescrote by Glennyboy December 18, 2015

Fumblescrote 

Fumblescrote. Adjective. The act of frantically trying to recapture the waistband of one's pants from between the ballbag and the base of the zip, having slipped from the grasp of the thumb, blocking the imminent flow of piss moments before release.

"I was there. I'd made it - and then my thumb slipped off and I had 'Fumblescrote' for several seconds. It was agony".

Fumblescrote by Glennyboy November 2, 2015