An angry snail is what you call a bottle of beer that has been dropped, causing beer to froth out the top as it spins on the ground. Are often the result of a taxi.
An angry snail can also be spotted when a warm or shaken beer is opened by its unsuspecting owner.
When a man walks into a mens shower room and yells the word look,then,makes an angry face and frowns while twisting his waist causing his penis to flap side to side