You say it when somebody want's to be BAsstion in the game overwatch
Him: I'll be Bastion.
Her: NERF BASTION
When the developers of a game do not include a change to the game in the changelogs, usually to "nerf" or decrease the effectiveness of an ingame mechanic or item. This is done to avoid angering the community, but generally ends up doing the opposite.
The devs silent nerfed the pyro, how am I meant to play now?
A simple reply to a comment about a happening that you do not care about, does not affect you,however; saying I dont care would hurt the other persons feelings.
Meip: hey i finally got my new macbook
Brad:(thinking how this dosent really matter) nerf-cat...
Meip: oh...ok...(changes subject)
The space between the nutsack and poop chute
I wiped and got poop on my nerf turf :(
A soft, small or unexpectedly small dick
John: fuck you
Bob: lick my balls
John: no your mom is already licking my balls
Bob: yeah she not sucking you dick because you have a nerf dick
the act of speeding up during intercourse,only to slow down after a few seconds.this can be repeated until ejaculation
"how was sex yesterday?"
"he kept buffing and nerfing"
Man that girls pussy squirts like nerf gun.
Man she got that nerf pussy