1 hard-on | Definition of hard-on

hard-on

noun
\ ˈhärd-ˌȯn How to pronounce hard-on (audio) , -ˌän\
plural hard-ons

Definition of hard-on

slang, sometimes vulgar
: an erection of the penis

First Known Use of hard-on

1888, in the meaning defined above

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More Definitions for hard-on

hard-on

noun

English Language Learners Definition of hard-on

impolite : an erection of the penis