Notice that the possessive apostorophe is used before the 's' even though she is referring to more than one man. Follow the link to find out more.
more information: possessive apostrophe
Here loose means unchaste or sexually immoral.
Here they're is short for they are and is spelled they're. Follow the link to find out more.
more information: they're their there
get off
Example: It's hard to get off your jeans when they're wet.
For more meanings of the phrasal verb get off, follow the link.
more information: get off
Notice that we spell too this way when it means beyond what is desirable. Follow the link for more.
more information: to too
get with the fellas
become equal with the men; do what men do
When words ending with 'y' become plurals, the 'y' is changed to i and 'es' is added, which you can see happening with ladies in the next sentence. This lady's is not a plural but a possessive, so we add an apostrophe and s to the end and leave the 'y' as it is.
crash hot
good; excellent
Example: His work is not really crash hot