When the male reproductive organ becomes erect.
guy1:dude when i was talking to Danielle i almost cracked a happy.
guy2:Haha, that would of sucked dude. To crack a happy in public is embarrassing.
Alternate names: Woody, boner, prof. stiffy, rod, ect...
Wishing for your friends to get laid.
It's finally Friday, happy humping everyone!!!
When the happy trail is exceedingly hairy, enough to be deemed a happy interstate.
That guy's belly hair is gnarly. It's called a happy trail - No, it's called a happy interstate.
Something the litty kitty squad says to wish people a good birthday when sometimes it’s not their birthday
Riley: happy birthday J.R.
J.R.: Thanks Riley you too
When you've gotten drunk off two glasses of wine and are feeling very happily attempting to convince people you're not drunk.
"Did you really just get drunk off two glasses of wine?"
"Noooooooo I'm just happy tipsy ;)"
Similar to Happy Slapping (where youths film a beating on their mobile phones) but instead of beating the victim, the offending youths force their prey to gyrate sexily and wear a gold bikini, like the famed model Michelle Clack
oh yes Bertha, i saw it. poor lad got properly Happy-Clacked