When a female (or transgender or pre-op) ejaculates from their vagina. The vagina can then be called a 'squirt gun'.
"want to see me ejaculate from my squirt gun?"
" :D "
Slang for a penis because as one cums, (unless you're really fucking old or have had some sort of injury) the first few orgasms squirt.
Johnny McWarguy: Hey Jen, wanna see my squirt gun?
Jen: Uhhhm... ok?
Johnny McWarguy: *unzips pants and squirts his load in Jen's face*
Jen: ...I'm going to kill you.
Ejaculating furiously in short, rhythmic burts.
I was blastin my squirt gun at the back of this chick's head at the game last night
Girl who squirts several times during intercourse.
Jennifer was a squirt gun last night during sex.
A playful term junkies sometimes use to refer to syringes.
Which pharmacies in this town sell squirtguns over the counter?