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3.
to engage in sexual penetration involving in any available hole and then stretch it beyond unimaginable limits.
"did you see Ryan Bosh today?" - Caveman 2044

"no, why?" - Chalupa

"cuz Bosh got boshed in his bosh-hole....deep."
by nohj March 22, 2004
 
1.
to be under the influence of alcohol.
did she really do that!?
yeah, but she was boshed.
by Lilzz May 29, 2007
 
2.
to neck, drop or pop ya pills means swallow them
i jus boshed ma pills
by kelly January 27, 2005