To try out - to test or use something in order to see how good or effective they are
Outfit - a set of clothes that you wear together, especially for a particular occasion or purpose
To tally - to reckon or count
Ain't (vulgar contraction) - is not; am not; are not; do not; have not; will not; etc.
Groin - the part of the body where the legs join at the top including the area around the genitals
Folks (informal) - a friendly way of addressing more than one person
Oxford Advanced Learner's Dictionary