Intentionally get drunk.

A Bloomer is someone with a bright outlook on life who is optimistic in nature. Bloomer's frolic in every opportunity to be happy and try to make the most out of life. The opposite of a Bloomer is a Doomer. The term Bloomer originated specifically as a counter to the Doomer on sites especially like 4Chan.

To get drunk or start drinking before the hang over from last night has worn off.

Thus having something to "tie onto"

To tie one drinking session to another before the effects/consequences of the last have expired.

To get drunk.

It is thought that its origin dates back to the wild west in the 1800's, where a cowboy would have to tie up his horse to a hitching post before he could go into the saloon and get drunk.

A British slang for this term, "tie a bun on", also means "to get drunk", however nobody is quite sure how someone came up with that one...

get drunk for purpose of getting drunk

To drink with the intention of becoming intoxicated, as opposed for purely social reasons.

Indulge in consumption of alcoholic beverages; probably until physical impairment sets in.