Top definition
the errection you get after several drinks (before brewers droop kicks in). Basically a super hard on, the alcohol in your system numbs the nerves in your dick so you last much longer then usual - much to your lady's pleasure.
she: god damn you dont usually stay this long!
he: that'll be the seven pints of stella! beer hammer baby! now get me a keebab.
by tofu gigolo December 11, 2006
Get the mug
Get a beer hammer mug for your brother Bob.