A series of two shots, first whiskey (typically Jamesons) followed by a shot of pickle juice/brine.

Dude that shows up to the bar tripping on drugs but is moving with great rythem to the beat

lack of sleep, or when you owe yourself some rest becasue you have been too busy.

when you are not getting enough sleep, and need to calculate how much you owe your body

sleep account is negative, or in the red

first used by British airways
and also sited on multiple occasions by lifehacker.com

It's not Wolverine's weakness—duh! Disease X is the next big outbreak that'll be caused by an unexpected source.

when someone says something that is hypocritical, metaphor for self sabotage

Having to put one's mouth over the top of a newly-opened beer bottle/can in order to prevent overflow. Looks quite like a clumsy blowjob, hence the name.