Any drink prepared with liquor deemed by a particular bar as "wells". All bars have different brands of "wells liquor". Usually this is their cheapest liquor and is used in most drinks unless a specific brand of liquor is "called" (requested).
See call.

Wet Ass Pussy

what you say when you don’t know what else to say

A sarcastic remark given when someone is frustrated or annoyed by a person's comment or statements.

The well is the shelf under the bar where they keep liquor at hand for mixing drinks. So, a well brand or house brand is the brand of liquor served when a customer requests a drink by its generic name (e.g. gin and tonic, scotch and soda). It's usually the least expensive brand served, as opposed to more expensive call brands.

A word used in Ireland generally in tipperary and by culchies. Often followed by 'hows she cuttin'?' Means hi! =

A deep subject. Intensified with repetition.